{"product_id":"bta-nylon-filter-bags","title":"BTA Nylon Filter Bags","description":"\u003cstyle\u003e\n@font-face{font-family:\"MBF-Humanica\";src:url(\"\/\/cdn.shopify.com\/s\/files\/1\/0731\/5200\/4338\/files\/MBF-Humanica.woff\") format(\"woff\");font-display:swap;font-style:normal;font-weight:400}\n\n\/* Hide the native Dawn product title above this description; keep the custom H1 below. *\/\n.product__title,.product__info h1,.product__title h1{display:none!important}\n\n.bta-filter-page{\n  --coal:#EDF7F2;\n  --dark:#E2F1EA;\n  --panel:#D8ECDF;\n  --card:#FFFFFF;\n  --ink:#123326;\n  --text:#1a2e24;\n  --muted:#4a6b5c;\n  --ocean-deep:#075985;\n  --ocean-mid:#0369A1;\n  --ocean-text:#0369A1;\n  --ocean-pale:#BAE6FD;\n  --violet-deep:#4C1D95;\n  --violet:#7C3AED;\n  --violet-pale:#EDE9FE;\n  --copper-deep:#78350f;\n  --copper:#92400e;\n  --copper-bright:#B45309;\n  --line:rgba(18,51,38,.14);\n  --shadow:0 16px 44px rgba(18,51,38,.12);\n  --radius:18px;\n  --display:\"MBF-Humanica\",\"Arial Black\",Impact,sans-serif;\n  --body:Inter,\"Segoe UI\",Arial,sans-serif;\n  background:var(--coal);\n  color:var(--text);\n  font-family:var(--body);\n  line-height:1.65;\n  width:100vw;\n  max-width:100vw;\n  margin-left:calc(50% - 50vw);\n  margin-right:calc(50% - 50vw);\n  overflow:hidden;\n}\n.bta-filter-page *{box-sizing:border-box}\n.bta-filter-page a{color:var(--ocean-text);text-decoration:underline;text-underline-offset:3px}\n.bta-filter-page a:hover{color:var(--ocean-deep)}\n.bta-filter-page a:focus-visible,.bta-filter-page summary:focus-visible{outline:3px solid var(--violet);outline-offset:4px;border-radius:4px}\n.bta-filter-page h1,.bta-filter-page h2,.bta-filter-page h3,.bta-filter-page h4{font-family:var(--display);color:var(--ink);line-height:1.05;margin:0 0 1rem}\n.bta-filter-page h1{font-size:clamp(3rem,8vw,6.4rem);letter-spacing:-.035em;text-transform:uppercase}\n.bta-filter-page h2{font-size:clamp(2.1rem,5vw,4rem);letter-spacing:-.025em;text-transform:uppercase}\n.bta-filter-page h3{font-size:1.35rem}\n.bta-filter-page h4{font-size:1rem;letter-spacing:.04em;text-transform:uppercase}\n.bta-filter-wrap{width:min(1360px,100%);margin:0 auto;padding:0 clamp(1.25rem,4vw,3.5rem);position:relative;z-index:1}\n.bta-filter-hero{position:relative;background:linear-gradient(135deg,var(--coal),#f7fcf9 55%,var(--panel));padding:clamp(4rem,10vw,8rem) 0 5rem;overflow:hidden}\n.bta-filter-hero:before{content:\"\";position:absolute;width:45rem;height:45rem;border-radius:50%;right:-14rem;top:-12rem;border:1px solid rgba(3,105,161,.15);box-shadow:0 0 0 4rem rgba(3,105,161,.035),0 0 0 9rem rgba(124,58,237,.025);pointer-events:none}\n.bta-filter-hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,.95fr);gap:clamp(2rem,6vw,6rem);align-items:center}\n.bta-filter-kicker,.bta-filter-label{display:flex;align-items:center;gap:.75rem;color:var(--ocean-text);font-family:var(--display);font-size:.72rem;letter-spacing:.3em;text-transform:uppercase;font-weight:700}\n.bta-filter-kicker:after,.bta-filter-label:after{content:\"\";height:1px;width:5rem;background:var(--ocean-text);opacity:.45}\n.bta-filter-kicker{display:inline-flex;border:1px solid rgba(3,105,161,.28);padding:.45rem .8rem;margin-bottom:1.4rem}\n.bta-filter-kicker:after{display:none}\n.bta-filter-hero h1 span,.bta-filter-section-title span{color:var(--ocean-text)}\n.bta-filter-lead{font-size:clamp(1rem,2vw,1.25rem);color:var(--muted);max-width:42rem;margin:0 0 1.75rem}\n.bta-filter-stat-row{display:flex;flex-wrap:wrap;gap:.7rem;margin:0 0 1.6rem}\n.bta-filter-stat{display:flex;align-items:center;gap:.55rem;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:.65rem 1rem;box-shadow:0 5px 16px rgba(18,51,38,.06)}\n.bta-filter-stat strong{font-family:var(--display);font-size:1.5rem;color:var(--ocean-deep);line-height:1}\n.bta-filter-stat small{color:var(--muted);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase}\n.bta-filter-stat--clip{background:var(--copper-deep);border-color:var(--copper-deep)}\n.bta-filter-stat--clip strong{color:#fff}\n.bta-filter-stat--clip small{color:#fde8cf}\n.bta-filter-hero-media{position:relative;display:flex;justify-content:center;align-items:center;min-height:25rem}\n.bta-filter-hero-media:before{content:\"\";position:absolute;inset:8%;border-radius:50%;background:radial-gradient(circle,rgba(3,105,161,.14),transparent 68%)}\n.bta-filter-hero-media img{position:relative;width:min(100%,30rem);aspect-ratio:1;object-fit:cover;border-radius:1.2rem;box-shadow:var(--shadow);z-index:1}\n.bta-filter-announcement{background:var(--ocean-deep);color:#fff;padding:1rem 0}\n.bta-filter-announcement .bta-filter-wrap{display:flex;justify-content:center;align-items:center;gap:1rem;flex-wrap:wrap;text-align:center}\n.bta-filter-announcement strong{font-size:1.05rem}\n.bta-filter-badge{display:inline-block;border-radius:999px;padding:.35rem .8rem;font-family:var(--display);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700}\n.bta-filter-badge--copper{background:var(--copper-deep);color:#fff}\n.bta-filter-badge--violet{background:var(--violet-deep);color:#fff}\n.bta-filter-trust{padding:1.6rem 0 .5rem}\n.bta-filter-trust-row{display:flex;flex-wrap:wrap;gap:.6rem}\n.bta-filter-trust-item{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:.55rem .8rem;font-size:.85rem;color:var(--text)}\n.bta-filter-trust-item b{color:var(--ocean-deep);margin-right:.25rem}\n.bta-filter-intro{padding:1rem 0 3.5rem}\n.bta-filter-intro-box{background:var(--card);border-left:4px solid var(--ocean-mid);border-radius:0 var(--radius) var(--radius) 0;padding:clamp(1.4rem,4vw,2.5rem);box-shadow:var(--shadow);font-size:1.08rem}\n.bta-filter-intro-box strong{color:var(--ocean-deep)}\n.bta-filter-section{padding:clamp(4rem,8vw,7rem) 0}\n.bta-filter-section--panel{background:var(--dark)}\n.bta-filter-section--deep{background:var(--ink);color:#fff}\n.bta-filter-section--deep h2,.bta-filter-section--deep h3,.bta-filter-section--deep h4{color:#fff}\n.bta-filter-section--deep .bta-filter-label{color:#BAE6FD}\n.bta-filter-section--deep .bta-filter-label:after{background:#BAE6FD}\n.bta-filter-section-title{margin-bottom:.8rem}\n.bta-filter-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin-top:2rem}\n.bta-filter-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;box-shadow:0 8px 22px rgba(18,51,38,.06);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}\n.bta-filter-card:hover{transform:translateY(-4px);border-color:rgba(3,105,161,.35);box-shadow:var(--shadow)}\n.bta-filter-card h3{color:var(--ocean-deep)}\n.bta-filter-card p,.bta-filter-card li{color:var(--muted);font-size:.95rem}\n.bta-filter-icon{font-size:2rem;margin-bottom:.7rem}\n.bta-filter-chip{background:var(--violet-pale);border:1px solid rgba(124,58,237,.18);border-radius:999px;padding:.45rem .75rem;color:var(--violet-deep);font-size:.86rem;font-weight:600}\n.bta-filter-chips{display:flex;flex-wrap:wrap;gap:.55rem;margin:1.25rem 0 2rem}\n.bta-filter-steps{margin:0;padding-left:1.6rem!important}\n.bta-filter-steps li{list-style:decimal!important;margin:.75rem 0;color:var(--muted)}\n.bta-filter-steps li::marker{color:var(--ocean-deep);font-family:var(--display);font-weight:700}\n.bta-filter-table-scroll{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow);margin-top:2rem}\n.bta-filter-table{width:100%;min-width:900px;border-collapse:collapse;background:var(--card);font-size:.92rem}\n.bta-filter-table caption{text-align:left;padding:1rem;font-weight:700;color:var(--ink);background:var(--panel)}\n.bta-filter-table th{background:var(--ocean-deep);color:#fff;text-align:left;padding:1rem;font-family:var(--display);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase}\n.bta-filter-table td{padding:1rem;border-bottom:1px solid var(--line);color:var(--text);vertical-align:top}\n.bta-filter-table tr:last-child td{border-bottom:0}\n.bta-filter-table tr:nth-child(even){background:#f6fbf8}\n.bta-filter-table strong{color:var(--ocean-deep)}\n.bta-filter-crosssell{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:2rem}\n.bta-filter-crosssell-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem}\n.bta-filter-crosssell-card h3{color:var(--ocean-deep)}\n.bta-filter-crosssell-card p{color:var(--muted)}\n.bta-filter-link{font-weight:700}\n.bta-filter-included{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin-top:2rem}\n.bta-filter-included .bta-filter-card{border-top:4px solid var(--copper-bright)}\n.bta-filter-details{border-bottom:1px solid rgba(255,255,255,.2);padding:1rem 0}\n.bta-filter-details summary{cursor:pointer;color:#fff;font-weight:700;padding:.25rem 0}\n.bta-filter-details p{color:#D7E9E0;margin:.75rem 0 0;padding-left:1.4rem}\n.bta-filter-cta{text-align:center;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:2rem;max-width:44rem;margin:0 auto;box-shadow:var(--shadow)}\n.bta-filter-cta p{color:var(--muted)}\n.bta-filter-button{display:inline-block;background:var(--copper-deep);color:#fff;font-family:var(--display);font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:.9rem 1.8rem;border-radius:999px;text-decoration:none}\n.bta-filter-button:hover{background:var(--copper);color:#fff}\n.bta-filter-trade{background:var(--ink);color:#fff;text-align:center;padding:clamp(3.5rem,7vw,6rem) 0;position:relative;overflow:hidden}\n.bta-filter-trade:before{content:\"\";position:absolute;width:40rem;height:40rem;border-radius:50%;left:50%;top:-22rem;transform:translateX(-50%);border:1px solid rgba(255,255,255,.12);box-shadow:0 0 0 6rem rgba(255,255,255,.03);pointer-events:none}\n.bta-filter-trade h2{color:#fff}\n.bta-filter-trade p{color:#D7E9E0;max-width:38rem;margin:0 auto 1.5rem}\n@media (max-width:900px){\n  .bta-filter-hero-grid{grid-template-columns:1fr}\n  .bta-filter-card-grid,.bta-filter-included{grid-template-columns:1fr 1fr}\n  .bta-filter-crosssell{grid-template-columns:1fr}\n}\n@media (max-width:600px){\n  .bta-filter-card-grid,.bta-filter-included{grid-template-columns:1fr}\n}\n@media (prefers-reduced-motion:reduce){\n  .bta-filter-page *{transition:none!important;animation:none!important}\n}\n\u003c\/style\u003e\n\n\u003cdiv class=\"bta-filter-page\"\u003e\n\n  \u003c!-- HERO --\u003e\n  \u003cheader class=\"bta-filter-hero\"\u003e\n    \u003cdiv class=\"bta-filter-wrap\"\u003e\n      \u003cdiv class=\"bta-filter-hero-grid\"\u003e\n        \u003cdiv\u003e\n          \u003cp class=\"bta-filter-kicker\"\u003eFilter Media Bags\u003c\/p\u003e\n          \u003ch1\u003eBTA \u003cspan\u003eNylon\u003c\/span\u003e Filter Bags\u003c\/h1\u003e\n          \u003cp class=\"bta-filter-lead\"\u003eHeavy-duty nylon media bags, double-stitched and built to hold fine resins and small filter medias - GFO, carbon, granular medias down to 0.5 mm - securely in your sump, reactor or filter housing. Every bag seals with a drawstring, and every bag ships with a free bag clip for a second line of security.\u003c\/p\u003e\n          \u003cdiv class=\"bta-filter-stat-row\"\u003e\n            \u003cdiv class=\"bta-filter-stat\"\u003e\n\u003cstrong\u003e45-175\u003c\/strong\u003e\u003csmall\u003emicron ratings\u003c\/small\u003e\n\u003c\/div\u003e\n            \u003cdiv class=\"bta-filter-stat\"\u003e\n\u003cstrong\u003e5\u003c\/strong\u003e\u003csmall\u003ebag sizes\u003c\/small\u003e\n\u003c\/div\u003e\n            \u003cdiv class=\"bta-filter-stat\"\u003e\n\u003cstrong\u003e100%\u003c\/strong\u003e\u003csmall\u003eplastic · aquarium safe\u003c\/small\u003e\n\u003c\/div\u003e\n            \u003cdiv class=\"bta-filter-stat bta-filter-stat--clip\"\u003e\n\u003cstrong\u003e+1\u003c\/strong\u003e\u003csmall\u003efree bag clip included\u003c\/small\u003e\n\u003c\/div\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"bta-filter-hero-media\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0731\/5200\/4338\/files\/FB1.png?v=1792986135\" alt=\"BTA Nylon Filter Bag - double-stitched media bag with drawstring and bag clip\" width=\"480\" height=\"480\" loading=\"eager\"\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/header\u003e\n\n  \u003c!-- ANNOUNCEMENT --\u003e\n  \u003cdiv class=\"bta-filter-announcement\"\u003e\n    \u003cdiv class=\"bta-filter-wrap\"\u003e\n      \u003cspan class=\"bta-filter-badge bta-filter-badge--copper\"\u003eDrawstring seal\u003c\/span\u003e\n      \u003cstrong\u003eEvery bag ships with a free bag clip - a second seal, on the house.\u003c\/strong\u003e\n      \u003cspan class=\"bta-filter-badge bta-filter-badge--violet\"\u003eDouble-stitched nylon\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- TRUST + INTRO --\u003e\n  \u003csection class=\"bta-filter-trust\"\u003e\n    \u003cdiv class=\"bta-filter-wrap\"\u003e\n      \u003cdiv class=\"bta-filter-trust-row\"\u003e\n        \u003cspan class=\"bta-filter-trust-item\"\u003e\u003cb\u003e✓\u003c\/b\u003e 100% plastic\u003c\/span\u003e\n        \u003cspan class=\"bta-filter-trust-item\"\u003e\u003cb\u003e✓\u003c\/b\u003e Totally aquarium safe\u003c\/span\u003e\n        \u003cspan class=\"bta-filter-trust-item\"\u003e\u003cb\u003e✓\u003c\/b\u003e Double-stitched seams\u003c\/span\u003e\n        \u003cspan class=\"bta-filter-trust-item\"\u003e\u003cb\u003e✓\u003c\/b\u003e Heavy-duty nylon\u003c\/span\u003e\n        \u003cspan class=\"bta-filter-trust-item\"\u003e\u003cb\u003e✓\u003c\/b\u003e Free bag clip\u003c\/span\u003e\n        \u003cspan class=\"bta-filter-trust-item\"\u003e\u003cb\u003e✓\u003c\/b\u003e Affordable\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n  \u003csection class=\"bta-filter-intro\"\u003e\n    \u003cdiv class=\"bta-filter-wrap\"\u003e\n      \u003cdiv class=\"bta-filter-intro-box\"\u003e\n        \u003cp\u003eThese are \u003cstrong\u003emedia bags\u003c\/strong\u003e first and foremost - built to \u003cstrong\u003ehold filter media\u003c\/strong\u003e, not to be the filter themselves. Fine resins, granular medias and small-partical medias like our \u003cstrong\u003eFERRIX-03 GFO\u003c\/strong\u003e or our \u003cstrong\u003eCARBOX 830\u003c\/strong\u003e (which runs down to a 0.5 mm particle) all sit perfectly in these bags, as does just about any other filtration media you care to run. You \u003cem\u003ecan\u003c\/em\u003e use them for pre-filtration if you like - but holding media is the primary job, which is exactly why every bag includes a \u003cstrong\u003edrawstring\u003c\/strong\u003e and a \u003cstrong\u003efree bag clip\u003c\/strong\u003e.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- THE DIFFERENCE --\u003e\n  \u003csection class=\"bta-filter-section bta-filter-section--panel\"\u003e\n    \u003cdiv class=\"bta-filter-wrap\"\u003e\n      \u003cp class=\"bta-filter-label\"\u003eWhy media bags\u003c\/p\u003e\n      \u003ch2 class=\"bta-filter-section-title\"\u003eThe \u003cspan\u003edifference\u003c\/span\u003e\n\u003c\/h2\u003e\n      \u003cdiv class=\"bta-filter-card-grid\"\u003e\n        \u003cdiv class=\"bta-filter-card\"\u003e\n          \u003cdiv class=\"bta-filter-icon\" aria-hidden=\"true\"\u003e😬\u003c\/div\u003e\n          \u003ch3\u003eDouble-stitched, heavy duty\u003c\/h3\u003e\n          \u003cp\u003eEvery seam is double-stitched in heavy-duty nylon. These bags take a full load of media without splitting, and they clean up ready for the next refill.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"bta-filter-card\"\u003e\n          \u003cdiv class=\"bta-filter-icon\" aria-hidden=\"true\"\u003e🔒\u003c\/div\u003e\n          \u003ch3\u003eDrawstring - the secure seal\u003c\/h3\u003e\n          \u003cp\u003eZippers get gunk caught in the teeth. Velcro clogs and loses its grip. A drawstring pulls tight around the media and stays tight - the most secure closure for the job.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"bta-filter-card\"\u003e\n          \u003cdiv class=\"bta-filter-icon\" aria-hidden=\"true\"\u003e🧴\u003c\/div\u003e\n          \u003ch3\u003eFree bag clip - second seal\u003c\/h3\u003e\n          \u003cp\u003eDrawstrings hold tight, but getting them undone can be a fight. Each bag includes a free bag clip as a secondary seal - use it if you want it, skip it if you don't. It's on the house either way.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- FEATURES --\u003e\n  \u003csection class=\"bta-filter-section\"\u003e\n    \u003cdiv class=\"bta-filter-wrap\"\u003e\n      \u003cp class=\"bta-filter-label\"\u003eAt a glance\u003c\/p\u003e\n      \u003ch2 class=\"bta-filter-section-title\"\u003eBuilt \u003cspan\u003etough\u003c\/span\u003e, priced fair\u003c\/h2\u003e\n      \u003cdiv class=\"bta-filter-chips\"\u003e\n        \u003cspan class=\"bta-filter-chip\"\u003eHeavy-duty nylon mesh\u003c\/span\u003e\n        \u003cspan class=\"bta-filter-chip\"\u003eDouble-stitched seams\u003c\/span\u003e\n        \u003cspan class=\"bta-filter-chip\"\u003eDrawstring closure\u003c\/span\u003e\n        \u003cspan class=\"bta-filter-chip\"\u003eFree bag clip included\u003c\/span\u003e\n        \u003cspan class=\"bta-filter-chip\"\u003eHolds fine resins \u0026amp; small medias\u003c\/span\u003e\n        \u003cspan class=\"bta-filter-chip\"\u003e100% plastic\u003c\/span\u003e\n        \u003cspan class=\"bta-filter-chip\"\u003eTotally aquarium safe\u003c\/span\u003e\n        \u003cspan class=\"bta-filter-chip\"\u003e5 micron ratings · 5 sizes\u003c\/span\u003e\n        \u003cspan class=\"bta-filter-chip\"\u003eAffordable\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"bta-filter-card-grid\"\u003e\n        \u003cdiv class=\"bta-filter-card\"\u003e\n          \u003ch3\u003ePick your weave\u003c\/h3\u003e\n          \u003cp\u003eFive micron ratings from a fine 45 µm weave up to a free-flowing 175 µm. Finer weaves hold the smallest resins and medias; coarser weaves keep flow high around bulk media.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"bta-filter-card\"\u003e\n          \u003ch3\u003ePick your size\u003c\/h3\u003e\n          \u003cp\u003eFive bag dimensions from a compact 20 × 15 cm bag up to a 45 × 60 cm sump workhorse. Match the bag to your media volume, reactor or filter housing.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"bta-filter-card\"\u003e\n          \u003ch3\u003eNothing but plastic\u003c\/h3\u003e\n          \u003cp\u003e100% plastic construction - no metal parts to rust or leach. Totally aquarium safe in fresh and salt water alike.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- HOW TO USE --\u003e\n  \u003csection class=\"bta-filter-section bta-filter-section--panel\"\u003e\n    \u003cdiv class=\"bta-filter-wrap\"\u003e\n      \u003cp class=\"bta-filter-label\"\u003eSealing the bag\u003c\/p\u003e\n      \u003ch2 class=\"bta-filter-section-title\"\u003eHow to \u003cspan\u003euse\u003c\/span\u003e the clip\u003c\/h2\u003e\n      \u003cdiv class=\"bta-filter-hero-media\" style=\"margin:0 0 2rem\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0731\/5200\/4338\/files\/FB2.png?v=1792986136\" alt=\"BTA Nylon Filter Bag - drawstring and free bag clip shown on a filled media bag\" width=\"480\" height=\"480\" loading=\"lazy\"\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"bta-filter-card-grid\"\u003e\n        \u003cdiv class=\"bta-filter-card\"\u003e\n          \u003ch3\u003eThe fold-and-clip method\u003c\/h3\u003e\n          \u003col class=\"bta-filter-steps\"\u003e\n            \u003cli\u003eFill the bag with your media of choice.\u003c\/li\u003e\n            \u003cli\u003eFold the top of the bag over so you have a folded section that is \u003cstrong\u003enot as wide as the clip\u003c\/strong\u003e.\u003c\/li\u003e\n            \u003cli\u003eClip the bag clip over the folded section to lock the media in.\u003c\/li\u003e\n            \u003cli\u003eOur favourite: fold the corners in on the top of the bag, clip over the top, then fold it down. But honestly - do it any way you like.\u003c\/li\u003e\n          \u003c\/ol\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"bta-filter-card\"\u003e\n          \u003ch3\u003eDrawstring or clip - your call\u003c\/h3\u003e\n          \u003cp\u003eThe drawstring is the primary seal and the most secure closure for media. The clip is the free secondary seal for extra peace of mind. Use one, use both, or use neither - the bag works either way.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"bta-filter-card\"\u003e\n          \u003ch3\u003ePre-filtration? Optional\u003c\/h3\u003e\n          \u003cp\u003eThese bags will happily pull detritus and fines out of a flow as a pre-filter if that suits your setup - but holding media is what they're built for.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- SIZING TABLE --\u003e\n  \u003csection class=\"bta-filter-section\"\u003e\n    \u003cdiv class=\"bta-filter-wrap\"\u003e\n      \u003cp class=\"bta-filter-label\"\u003eSizes \u0026amp; ratings\u003c\/p\u003e\n      \u003ch2 class=\"bta-filter-section-title\"\u003eFind your \u003cspan\u003efit\u003c\/span\u003e\n\u003c\/h2\u003e\n      \u003cdiv class=\"bta-filter-table-scroll\"\u003e\n        \u003ctable class=\"bta-filter-table\"\u003e\n          \u003ccaption\u003eMicron rating × bag dimensions - all 25 combinations available\u003c\/caption\u003e\n          \u003cthead\u003e\n            \u003ctr\u003e\n\u003cth scope=\"col\"\u003eMicron rating\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eBag size\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eDimensions (W × H)\u003c\/th\u003e\n\u003c\/tr\u003e\n          \u003c\/thead\u003e\n          \u003ctbody\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e45 µm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSmall\u003c\/td\u003e\n\u003ctd\u003e20 cm × 15 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e45 µm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMedium\u003c\/td\u003e\n\u003ctd\u003e20 cm × 30 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e45 µm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLarge\u003c\/td\u003e\n\u003ctd\u003e24 cm × 36 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e45 µm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eX-Large\u003c\/td\u003e\n\u003ctd\u003e30 cm × 45 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e45 µm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eXXL\u003c\/td\u003e\n\u003ctd\u003e45 cm × 60 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e75 µm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSmall\u003c\/td\u003e\n\u003ctd\u003e20 cm × 15 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e75 µm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMedium\u003c\/td\u003e\n\u003ctd\u003e20 cm × 30 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e75 µm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLarge\u003c\/td\u003e\n\u003ctd\u003e24 cm × 36 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e75 µm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eX-Large\u003c\/td\u003e\n\u003ctd\u003e30 cm × 45 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e75 µm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eXXL\u003c\/td\u003e\n\u003ctd\u003e45 cm × 60 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e125 µm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSmall\u003c\/td\u003e\n\u003ctd\u003e20 cm × 15 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e125 µm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMedium\u003c\/td\u003e\n\u003ctd\u003e20 cm × 30 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e125 µm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLarge\u003c\/td\u003e\n\u003ctd\u003e24 cm × 36 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e125 µm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eX-Large\u003c\/td\u003e\n\u003ctd\u003e30 cm × 45 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e125 µm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eXXL\u003c\/td\u003e\n\u003ctd\u003e45 cm × 60 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e150 µm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSmall\u003c\/td\u003e\n\u003ctd\u003e20 cm × 15 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e150 µm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMedium\u003c\/td\u003e\n\u003ctd\u003e20 cm × 30 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e150 µm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLarge\u003c\/td\u003e\n\u003ctd\u003e24 cm × 36 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e150 µm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eX-Large\u003c\/td\u003e\n\u003ctd\u003e30 cm × 45 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e150 µm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eXXL\u003c\/td\u003e\n\u003ctd\u003e45 cm × 60 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e175 µm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSmall\u003c\/td\u003e\n\u003ctd\u003e20 cm × 15 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e175 µm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMedium\u003c\/td\u003e\n\u003ctd\u003e20 cm × 30 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e175 µm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLarge\u003c\/td\u003e\n\u003ctd\u003e24 cm × 36 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e175 µm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eX-Large\u003c\/td\u003e\n\u003ctd\u003e30 cm × 45 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e175 µm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eXXL\u003c\/td\u003e\n\u003ctd\u003e45 cm × 60 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003c\/tbody\u003e\n        \u003c\/table\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- CROSS-SELL --\u003e\n  \u003csection class=\"bta-filter-section bta-filter-section--panel\"\u003e\n    \u003cdiv class=\"bta-filter-wrap\"\u003e\n      \u003cp class=\"bta-filter-label\"\u003eMedia to fill them\u003c\/p\u003e\n      \u003ch2 class=\"bta-filter-section-title\"\u003ePair with \u003cspan\u003emedia\u003c\/span\u003e\n\u003c\/h2\u003e\n      \u003cdiv class=\"bta-filter-crosssell\"\u003e\n        \u003cdiv class=\"bta-filter-crosssell-card\"\u003e\n          \u003ch3\u003eFERRIX-03 GFO\u003c\/h3\u003e\n          \u003cp\u003eHigh-capacity granular ferric hydroxide for phosphate control. Granular, small-partical media - sits perfectly in these bags.\u003c\/p\u003e\n          \u003cp\u003e\u003ca class=\"bta-filter-link\" href=\"\/products\/ferrix-03-gfo\"\u003eShop FERRIX-03 GFO\u003c\/a\u003e\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"bta-filter-crosssell-card\"\u003e\n          \u003ch3\u003eCARBOX 830\u003c\/h3\u003e\n          \u003cp\u003eGranular activated carbon that runs down to a 0.5 mm particle. One of the finest medias you can bag - and these bags hold it without issue.\u003c\/p\u003e\n          \u003cp\u003e\u003ca class=\"bta-filter-link\" href=\"\/products\/carbox-830\"\u003eShop CARBOX 830\u003c\/a\u003e\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- WHAT'S INCLUDED --\u003e\n  \u003csection class=\"bta-filter-section\"\u003e\n    \u003cdiv class=\"bta-filter-wrap\"\u003e\n      \u003cp class=\"bta-filter-label\"\u003eWhat you get\u003c\/p\u003e\n      \u003ch2 class=\"bta-filter-section-title\"\u003eWhat's \u003cspan\u003eincluded\u003c\/span\u003e\n\u003c\/h2\u003e\n      \u003cdiv class=\"bta-filter-included\"\u003e\n        \u003cdiv class=\"bta-filter-card\"\u003e\n          \u003ch3\u003e1 × Nylon filter bag\u003c\/h3\u003e\n          \u003cp\u003eDouble-stitched heavy-duty nylon media bag in your chosen micron rating and size, with drawstring closure.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"bta-filter-card\"\u003e\n          \u003ch3\u003e1 × Drawstring\u003c\/h3\u003e\n          \u003cp\u003eThe primary seal. Pull it tight and your media stays put - the most secure closure for filter media.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"bta-filter-card\"\u003e\n          \u003ch3\u003e1 × Bag clip - free\u003c\/h3\u003e\n          \u003cp\u003eA secondary seal, included free of charge. Use it for extra security on the media, or leave it off - your call.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- FAQ --\u003e\n  \u003csection class=\"bta-filter-section bta-filter-section--deep\"\u003e\n    \u003cdiv class=\"bta-filter-wrap\"\u003e\n      \u003cp class=\"bta-filter-label\"\u003eQuestions\u003c\/p\u003e\n      \u003ch2 class=\"bta-filter-section-title\"\u003eAsked \u003cspan\u003eoften\u003c\/span\u003e\n\u003c\/h2\u003e\n      \u003cdetails class=\"bta-filter-details\" open\u003e\n        \u003csummary\u003eAre these filter bags or media bags?\u003c\/summary\u003e\n        \u003cp\u003eMedia bags first. They're built to hold filter media - fine resins, GFO, carbon and other small medias - in your sump, reactor or filter housing. You can use them for pre-filtration if you like, but holding media is the primary job.\u003c\/p\u003e\n      \u003c\/details\u003e\n      \u003cdetails class=\"bta-filter-details\"\u003e\n        \u003csummary\u003eWhy a drawstring instead of a zipper or velcro?\u003c\/summary\u003e\n        \u003cp\u003eZippers get gunk caught in the teeth and jam. Velcro clogs up and lets go. A drawstring offers the most security for the media - it pulls tight, stays tight, and nothing gets stuck in it.\u003c\/p\u003e\n      \u003c\/details\u003e\n      \u003cdetails class=\"bta-filter-details\"\u003e\n        \u003csummary\u003eWhat's the bag clip for?\u003c\/summary\u003e\n        \u003cp\u003eGetting a drawstring undone can sometimes be a little tricky, so every bag ships with a bag clip as a secondary seal - free of charge. Fold the top over so the folded section is narrower than the clip, then clip it over. Or fold the corners in, clip, and fold. Do it any way you like - or don't use it at all. Totally optional.\u003c\/p\u003e\n      \u003c\/details\u003e\n      \u003cdetails class=\"bta-filter-details\"\u003e\n        \u003csummary\u003eWhich micron rating should I pick?\u003c\/summary\u003e\n        \u003cp\u003eFiner weaves (45-75 µm) hold the smallest resins and medias. Coarser weaves (150-175 µm) keep flow high around bulk media. 125 µm is a solid all-rounder. If you're not sure, contact us for sizing - it's free.\u003c\/p\u003e\n      \u003c\/details\u003e\n      \u003cdetails class=\"bta-filter-details\"\u003e\n        \u003csummary\u003eAre they aquarium safe?\u003c\/summary\u003e\n        \u003cp\u003eYes - 100% plastic construction, totally aquarium safe. No metal parts to rust or leach into fresh or salt water.\u003c\/p\u003e\n      \u003c\/details\u003e\n      \u003cdetails class=\"bta-filter-details\"\u003e\n        \u003csummary\u003eCan I reuse them?\u003c\/summary\u003e\n        \u003cp\u003eYes. The heavy-duty nylon and double-stitched seams stand up to rinsing and repeated cleaning cycles, so a bag keeps working load after load.\u003c\/p\u003e\n      \u003c\/details\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- NOT SURE CTA --\u003e\n  \u003csection class=\"bta-filter-section\"\u003e\n    \u003cdiv class=\"bta-filter-wrap\"\u003e\n      \u003cdiv class=\"bta-filter-cta\"\u003e\n        \u003ch2\u003eNot sure which bag?\u003c\/h2\u003e\n        \u003cp\u003eMicron rating, bag size, media fit - if you're not sure, reach out and we'll sort it with you. Sizing help is free.\u003c\/p\u003e\n        \u003cp\u003e\u003ca class=\"bta-filter-button\" href=\"\/pages\/contact\"\u003eContact us for sizing\u003c\/a\u003e\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- WHOLESALE \/ TRADE CTA --\u003e\n  \u003csection class=\"bta-filter-trade\"\u003e\n    \u003cdiv class=\"bta-filter-wrap\"\u003e\n      \u003ch2\u003eWholesale \u0026amp; trade\u003c\/h2\u003e\n      \u003cp\u003eStocking BTA nylon filter bags in your store? Trade pricing and bulk packs are available - get in touch and we'll set you up.\u003c\/p\u003e\n      \u003cp\u003e\u003ca class=\"bta-filter-button\" href=\"\/pages\/contact\"\u003eOpen a trade account\u003c\/a\u003e\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"BTA Nylon Filter Bags\",\n  \"description\": \"Double-stitched heavy-duty nylon media bags with drawstring closure and a free bag clip. Hold fine resins and small filter medias like GFO and activated carbon. 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