{"product_id":"zuqqony-small-filter-cartridges-8-pack","title":"Zuqqony Small Filter Cartridges, 8 Pack, compatible with Bio-Bag Filter","description":"\u003cp\u003eZuqqony small filter cartridges are sold in packs of 8, each measuring 5.5 x 0.8 x 9.4 cm. The brand lists them for tanks of 4 gallons and for the 3i filter, so the fit is settled before you order. Each cartridge combines densely packed filter cotton with a layer of activated carbon behind a grid.\u003c\/p\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eColour\u003c\/th\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTarget audience\u003c\/th\u003e\n\u003ctd\u003eFish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eItem dimensions (L x W x H)\u003c\/th\u003e\n\u003ctd\u003e5.5 x 0.8 x 9.4 cm (2.2 x 0.3 x 3.7 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUnit count\u003c\/th\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eDouble-sided mesh, carbon and cotton in one cartridge\u003c\/h2\u003e\u003cp\u003eThe outer layer is a densely woven double-sided mesh that captures small particles, fragments and fish waste. Behind it sits densely packed filter cotton, and the cartridge holds activated carbon in a grid design that brings the carbon into contact with water. The compact build suits confined spaces, and each unit arrives fully assembled.\u003c\/p\u003e\u003ch2\u003eChecks before ordering for your tank and filter\u003c\/h2\u003e\u003cp\u003eThe cartridges are made for the 3i filter, and the brand lists them for small tanks of 4 gallons. A different filter model or a larger tank falls outside that stated use. Check your filter's model mark and the volume of your tank, then compare the 5.5 x 0.8 x 9.4 cm size against the space where the cartridge sits.\u003c\/p\u003e\u003ch2\u003eWhat the 8-cartridge pack holds\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e8 small filter cartridges, white, each with mesh, filter cotton and activated carbon\u003c\/li\u003e\n\u003cli\u003eAssembled units, ready to place in the 3i filter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eReplacement timing recommended by the maker\u003c\/h2\u003e\u003cp\u003eThe manufacturer recommends a new cartridge every 2 to 4 weeks. With 8 units in the pack, that interval covers eight changes. No pre-use assembly is needed before a cartridge goes into the filter.\u003c\/p\u003e\u003ch2\u003eQuestions buyers ask about these cartridges\u003c\/h2\u003e\u003ch3\u003eHow many cartridges come in the pack?\u003c\/h3\u003e\u003cp\u003eThe pack contains 8 cartridges. Each one is white and arrives fully assembled.\u003c\/p\u003e\u003ch3\u003eWhat are the dimensions of one cartridge?\u003c\/h3\u003e\u003cp\u003eOne cartridge measures 5.5 x 0.8 x 9.4 cm, or 2.2 x 0.3 x 3.7 in. Check this against the space in your filter before ordering.\u003c\/p\u003e\u003ch3\u003eWhich filter do these cartridges fit?\u003c\/h3\u003e\u003cp\u003eThe brand makes them for the 3i filter. They are also listed for tanks of 4 gallons.\u003c\/p\u003e\u003ch3\u003eWhat is inside each cartridge?\u003c\/h3\u003e\u003cp\u003eEach cartridge holds densely packed filter cotton and activated carbon behind a densely woven double-sided mesh. A grid design brings the carbon into contact with water.\u003c\/p\u003e\u003ch3\u003eHow often does the manufacturer suggest replacing a cartridge?\u003c\/h3\u003e\u003cp\u003eThe manufacturer recommends replacing the cartridge every 2 to 4 weeks. The 8-cartridge pack covers eight of those changes.\u003c\/p\u003e","brand":"Zuqqony","offers":[{"title":"Default Title","offer_id":44477557702719,"sku":null,"price":26.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/2409\/1199\/files\/zuqqony-filter-cartridges-8-pack.jpg?v=1794721677","url":"https:\/\/dogjointly.com\/products\/zuqqony-small-filter-cartridges-8-pack","provider":"DogJointly","version":"1.0","type":"link"}