{"product_id":"fluval-u-series-poly-carbon-cartridge","title":"Fluval U Series Poly Carbon Cartridge","description":"\u003cp dir=\"auto\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong\u003eFluval U Series Poly-Carb Cartridges\u003c\/strong\u003e are genuine replacement chemical and fine mechanical filter media designed specifically for \u003cstrong\u003eFluval U3 and U4 Underwater Filters\u003c\/strong\u003e. Each cartridge combines two filtration surfaces to help polish aquarium water, capture fine debris, and remove dissolved impurities, odours and discolouration. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eAvailable in separate \u003cstrong\u003eU3 and U4 sizes\u003c\/strong\u003e, each pack contains \u003cstrong\u003e2 replacement cartridges\u003c\/strong\u003e shaped to fit the correct Fluval U Series filter. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eAvailable Sizes\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e✔ \u003cstrong\u003eU3 Poly-Carb Cartridge – 2 Pack\u003c\/strong\u003e – Fits Fluval U3 Underwater Filter\u003cbr\u003e✔ \u003cstrong\u003eU4 Poly-Carb Cartridge – 2 Pack\u003c\/strong\u003e – Fits Fluval U4 Underwater Filter\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eKey Features\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e✔ Genuine \u003cstrong\u003eFluval replacement filter media\u003c\/strong\u003e\u003cbr\u003e✔ Dual-sided filtration cartridge\u003cbr\u003e✔ \u003cstrong\u003ePolyester side\u003c\/strong\u003e captures fine debris and suspended contaminants\u003cbr\u003e✔ \u003cstrong\u003eActivated carbon side\u003c\/strong\u003e helps remove dissolved impurities\u003cbr\u003e✔ Helps reduce unwanted aquarium odours\u003cbr\u003e✔ Helps remove water discolouration and colourants\u003cbr\u003e✔ Supports clearer, cleaner-looking aquarium water\u003cbr\u003e✔ Pre-shaped for easy installation into the correct U Series filter\u003cbr\u003e✔ Convenient \u003cstrong\u003e2 pack\u003c\/strong\u003e\u003cbr\u003e✔ Suitable for \u003cstrong\u003efreshwater and saltwater aquariums\u003c\/strong\u003e \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003ePerfect For\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e✔ Fluval U3 Underwater Filters\u003cbr\u003e✔ Fluval U4 Underwater Filters\u003cbr\u003e✔ Routine filter media replacement\u003cbr\u003e✔ Improving aquarium water clarity\u003cbr\u003e✔ Removing fine suspended debris\u003cbr\u003e✔ Reducing odours and discolouration\u003cbr\u003e✔ Maintaining effective chemical filtration\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003ePlease Note\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eThe \u003cstrong\u003eU3 and U4 cartridges are different sizes\u003c\/strong\u003e, so select the cartridge that matches your specific Fluval Underwater Filter.\u003c\/p\u003e","brand":"Fluval","offers":[{"title":"U3 (2 pack)","offer_id":50519645225037,"sku":null,"price":16.99,"currency_code":"NZD","in_stock":true},{"title":"U4 (2 pack)","offer_id":50519645257805,"sku":null,"price":19.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/images_29.jpg?v=1790137191","url":"https:\/\/simplyfish.co.nz\/products\/fluval-u-series-poly-carbon-cartridge","provider":"Simply Fish","version":"1.0","type":"link"}