{"product_id":"castle-dawn-aquatics-diy-n0-1-external-canister-aquarium-pre-filter-system","title":"Castle Dawn Aquatics DIY N0.1 External Canister Aquarium Pre Filter System","description":"\u003cp data-start=\"623\" data-end=\"1070\"\u003eTransform your aquarium with a filtration system that feels truly dependable. This DIY External Aquarium Pre Filter uses an advanced cylinder filter cotton to dramatically increase water contact, improve mechanical filtration, and keep your tank clean for longer. Designed for fishkeepers who take pride in their aquariums, this system protects your main filter, boosts clarity, and brings stability to your aquarium that you can actually feel.\u003c\/p\u003e\n\u003cp data-start=\"1072\" data-end=\"1389\"\u003eIf you have ever struggled with cloudy water, clogging sponges, or declining flow, this upgraded pre-filter system brings relief. With up to \u003cstrong data-start=\"1213\" data-end=\"1245\"\u003e10.7 times more surface area\u003c\/strong\u003e than standard pre-filters, it provides powerful debris capture, smoother flow, and a noticeably healthier environment for your fish and plants.\u003c\/p\u003e\n\u003cp data-start=\"1391\" data-end=\"1532\"\u003eWhen your water is clear, and your filtration runs smoothly, you enjoy your aquarium more, and that is exactly what this pre-filter delivers.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eKey Features and Important Notes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1580\" data-end=\"1755\"\u003e\n\u003cstrong data-start=\"1580\" data-end=\"1600\"\u003eWhat’s Included:\u003c\/strong\u003e\u003cbr data-start=\"1600\" data-end=\"1603\"\u003e– 1 Pre Filter Body - 23.8cm x 15.1cm  (Model 12mm or Model 16mm)\u003cbr data-start=\"1643\" data-end=\"1646\"\u003e– 2x 100 Mesh High-Density Filter Cotton\u003cbr data-start=\"1687\" data-end=\"1690\"\u003e– Inlet and Outlet Connectors\u003cbr data-start=\"1719\" data-end=\"1722\"\u003e⚠️ Tubing and pump not included\u003c\/li\u003e\n\u003cli data-start=\"1757\" data-end=\"1887\"\u003e\n\u003cstrong data-start=\"1757\" data-end=\"1796\"\u003eHigh Efficiency Wave Filter Cotton:\u003c\/strong\u003e\u003cbr data-start=\"1796\" data-end=\"1799\"\u003eThe unique wave design increases debris contact points, doubling filtration performance.\u003c\/li\u003e\n\u003cli data-start=\"1889\" data-end=\"2022\"\u003e\n\u003cstrong data-start=\"1889\" data-end=\"1925\"\u003eMassive Filtration Surface Area:\u003c\/strong\u003e\u003cbr data-start=\"1925\" data-end=\"1928\"\u003eModel 2 offers 171,449 mm² of area, giving your tank professional-grade mechanical filtration.\u003c\/li\u003e\n\u003cli data-start=\"2024\" data-end=\"2147\"\u003e\n\u003cstrong data-start=\"2024\" data-end=\"2054\"\u003eProtects Your Main Filter:\u003c\/strong\u003e\u003cbr data-start=\"2054\" data-end=\"2057\"\u003eCaptures waste early so your main filter stays cleaner, performs better, and lasts longer.\u003c\/li\u003e\n\u003cli data-start=\"2149\" data-end=\"2257\"\u003e\n\u003cstrong data-start=\"2149\" data-end=\"2176\"\u003eImproves Water Clarity:\u003c\/strong\u003e\u003cbr data-start=\"2176\" data-end=\"2179\"\u003eKeeps fine particles suspended in flow long enough to be captured efficiently.\u003c\/li\u003e\n\u003cli data-start=\"2259\" data-end=\"2384\"\u003e\n\u003cstrong data-start=\"2259\" data-end=\"2291\"\u003eMaintains Strong Flow Rates:\u003c\/strong\u003e\u003cbr data-start=\"2291\" data-end=\"2294\"\u003eUp to 2 times stronger flow than standard pre-filters thanks to the expanded contact area.\u003c\/li\u003e\n\u003cli data-start=\"2386\" data-end=\"2493\"\u003e\n\u003cstrong data-start=\"2386\" data-end=\"2417\"\u003eReduces Maintenance Stress:\u003c\/strong\u003e\u003cbr data-start=\"2417\" data-end=\"2420\"\u003eFewer clogs, fewer cleanings, and a more stable and predictable aquarium.\u003c\/li\u003e\n\u003cli data-start=\"2495\" data-end=\"2616\"\u003e\n\u003cstrong data-start=\"2495\" data-end=\"2528\"\u003eCleaner Water = Happier Fish:\u003c\/strong\u003e\u003cbr data-start=\"2528\" data-end=\"2531\"\u003eBetter clarity, better oxygenation, lower stress, and a healthier aquarium ecosystem.\u003c\/li\u003e\n\u003cli data-start=\"2618\" data-end=\"2746\"\u003e\n\u003cstrong data-start=\"2618\" data-end=\"2646\"\u003ePerfect for Aquascapers:\u003c\/strong\u003e\u003cbr data-start=\"2646\" data-end=\"2649\"\u003eIdeal for nano tanks, planted tanks, river-style setups, and tanks where clarity is the priority.\u003c\/li\u003e\n\u003cli data-start=\"2748\" data-end=\"2792\"\u003e\n\u003cstrong data-start=\"2748\" data-end=\"2761\"\u003eWarranty:\u003c\/strong\u003e\u003cbr data-start=\"2761\" data-end=\"2764\"\u003e1 Year Warranty (\u003cstrong\u003e\u003ca title=\"WARRANTY TERMS AND CONDITIONS - Castle Dawn Aquatics\" href=\"https:\/\/www.castledawnaquatics.com\/pages\/warranty-terms-conditions\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eT\u0026amp;Cs apply\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Castle Dawn Aquatics","offers":[{"title":"12mm Hose Connection","offer_id":51711928172825,"sku":"00004X4E","price":79.99,"currency_code":"USD","in_stock":true},{"title":"16mm Hose Connection","offer_id":51711928205593,"sku":"00004X4EF","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/files\/CastleDawnAquaticsDIYExternalCanisterAquariumFishTankPreFilterSystemNO.1.png?v=1764410967","url":"https:\/\/www.castledawnaquatics.com\/products\/castle-dawn-aquatics-diy-n0-1-external-canister-aquarium-pre-filter-system","provider":"Castle Dawn Aquatics","version":"1.0","type":"link"}