{"title":"Fluval U Internal Filters","description":"\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eDiscover Fluval filter replacement supplies to use with your Fluval aquarium or fish tank filter from Finest Filters. We stock filter media and spares for popular models including the \u003c\/span\u003e\u003ca href=\"https:\/\/www.finest-filters.co.uk\/aquarium-filters\/fluval-filter-media\/fluval-u-internal-filters\/fluval-u1\/\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eFluval U1\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e, \u003c\/span\u003e\u003ca href=\"https:\/\/www.finest-filters.co.uk\/aquarium-filters\/fluval-filter-media\/fluval-u-internal-filters\/fluval-u2\/\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eFluval U2\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e \u003c\/span\u003e\u003cspan style=\"font-weight: 400;\"\u003efilters, \u003c\/span\u003e\u003ca href=\"https:\/\/www.finest-filters.co.uk\/aquarium-filters\/fluval-filter-media\/fluval-u-internal-filters\/fluval-u3\/\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eFluval U3\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e, and \u003c\/span\u003e\u003ca href=\"https:\/\/www.finest-filters.co.uk\/aquarium-filters\/fluval-filter-media\/fluval-u-internal-filters\/fluval-u4\/\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eFluval U4\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e \u003c\/span\u003e\u003cspan style=\"font-weight: 400;\"\u003efilters. Explore our full collection of Fluval filter replacement parts today. \u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eWe stock replacement filter media for all four sizes in the Fluval U range of internal aquarium filters. Our Fluval filter replacement range includes compatible foam filter pads, polycarbon filter cartridges, and Biomax. It’s recommended that the foam filter pads inside your Fluval fish tank filter are changed every 3-6 months, so stay well-stocked with our handy, cost-effective replacements. Every item in our Fluval filter replacement media collection is made from the same material that Fluval itself uses, so you can be sure you won’t be compromising on quality. \u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eAlongside foam filter pads, you can also pick up polycarbon filter cartridges to use with the Fluval U2, Fluval U3, and Fluval U4 filters. These cartridges have a polyester side for mechanical filtration, as well as a carbon-impregnated side for chemical filtration. It’s also important to replace these regularly to keep your filter functioning at its best. We even stock Fluval filter replacement media sets, which include both polycarbon cartridges and foam filter pads in one handy pack. \u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eMeanwhile, our \u003c\/span\u003e\u003ca href=\"https:\/\/www.finest-filters.co.uk\/170g-compatible-biomax-for-fluval-u2-u3-u4-internal-filters-ceramic-filter-media\/\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eFinest Filters Biomax\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e is another great product to use with your Fluval U2, U3, or U4 pond filter. This Biomax has a high surface area to support the rapid colonisation and growth of beneficial bacteria for your fish tank. These good bacteria play a key role in breaking down ammonia and nitrate in your aquarium’s water to support good water quality. \u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eShop our full collection of \u003c\/span\u003e\u003ca href=\"https:\/\/www.finest-filters.co.uk\/aquarium-filters\/\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eaquarium filter media\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e, or \u003c\/span\u003e\u003ca href=\"https:\/\/www.finest-filters.co.uk\/contact\/\"\u003e\u003cspan style=\"font-weight: 400;\"\u003econtact us\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e if you have a question about any of our products. \u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"compatible-fluval-clean-clear-cartridges-2-pack","title":"Compatible Fluval Clean \u0026 Clear Cartridges (2 Pack)","description":"\u003ch3\u003e\u003cstrong\u003eCompatible Fluval Clean \u0026amp; Clear U1 U2 U3 U4 Filter Media Cartridges (2 Pack)\u003c\/strong\u003e\u003c\/h3\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\n\u003cp\u003eThe compatible Fluval clean and clear cartridge brings crystal clean results to your aquarium with virtually no effort involved. By dramatically improving the quality of your water, aquatic hobbyists are able to enjoy hours of endless viewing pleasure courtesy of our compatible Fluval clean and clear U filter cartridges.\u003c\/p\u003e\n\u003cp\u003eOur compatible Fluval Clean \u0026amp; Clear Cartridges are packed with special high-performance resins which are proven to effectively reduce phosphates concentration for healthier fish. The innovative cartridge which is small and compact for all types of aquaria, is also fantastic at removing nitrate, combining the removal of both toxins at once. The effects deliver health benefits to your fish and plants whilst simultaneously keeping water beautifully clear.\u003c\/p\u003e\n\u003cp\u003eThe compatible Fluval Clean \u0026amp; Clear Cartridge reduces tank maintenance by extending the time between water changes allowing you more time to appreciate your aquarium for its breathtaking natural beauty. The cartridge is simply added to the central Fluval U cartridge alongside the Biomax. \u003c\/p\u003e\n\u003cp\u003eAt a Glance:\u003c\/p\u003e\n\u003cp\u003eCrystal clear results\u003c\/p\u003e\n\u003cp\u003eNo manual cleaning efforts involved\u003c\/p\u003e\n\u003cp\u003eMaintains healthy fish and plants\u003c\/p\u003e\n\u003cp\u003ePacked with special high performance resins\u003c\/p\u003e\n\u003cp\u003eReduces phosphate and nitrate levels\u003c\/p\u003e\n\u003cp\u003eSmall and compact for all aquariums\u003c\/p\u003e\n\u003cp\u003eExtends time between water changes - reduces tank maintenance\u003c\/p\u003e\n\u003cp\u003eSimply added to the Fluval U cartridge. Compatible with the U range of filters, U1, U2, U3 and U4.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":57690238386501,"sku":"5002270","price":4.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/fluval-clean-clear-filters.jpg?v=1776202532"},{"product_id":"compatible-fluval-clean-clear-cartridges-2-pack-1","title":"Compatible Fluval Clean \u0026 Clear Cartridges (4 Pack)","description":"\u003ch3\u003e\u003cstrong\u003eCompatible Fluval Clean \u0026amp; Clear U1 U2 U3 U4 Filter Media Cartridges (4 Pack)\u003c\/strong\u003e\u003c\/h3\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\n\u003cp\u003eThe compatible Fluval clean and clear cartridge brings crystal clean results to your aquarium with virtually no effort involved. By dramatically improving the quality of your water, aquatic hobbyists are able to enjoy hours of endless viewing pleasure courtesy of our compatible Fluval clean and clear U filter cartridges.\u003c\/p\u003e\n\u003cp\u003eOur compatible Fluval Clean \u0026amp; Clear Cartridges are packed with special high-performance resins which are proven to effectively reduce phosphates concentration for healthier fish. The innovative cartridge which is small and compact for all types of aquaria, is also fantastic at removing nitrate, combining the removal of both toxins at once. The effects deliver health benefits to your fish and plants whilst simultaneously keeping water beautifully clear.\u003c\/p\u003e\n\u003cp\u003eThe compatible Fluval Clean \u0026amp; Clear Cartridge reduces tank maintenance by extending the time between water changes allowing you more time to appreciate your aquarium for its breathtaking natural beauty. The cartridge is simply added to the central Fluval U cartridge alongside the Biomax. \u003c\/p\u003e\n\u003cp\u003eAt a Glance:\u003c\/p\u003e\n\u003cp\u003eCrystal clear results\u003c\/p\u003e\n\u003cp\u003eNo manual cleaning efforts involved\u003c\/p\u003e\n\u003cp\u003eMaintains healthy fish and plants\u003c\/p\u003e\n\u003cp\u003ePacked with special high performance resins\u003c\/p\u003e\n\u003cp\u003eReduces phosphate and nitrate levels\u003c\/p\u003e\n\u003cp\u003eSmall and compact for all aquariums\u003c\/p\u003e\n\u003cp\u003eExtends time between water changes - reduces tank maintenance\u003c\/p\u003e\n\u003cp\u003eSimply added to the Fluval U cartridge. Compatible with the U range of filters, U1, U2, U3 and U4.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":57690238452037,"sku":"5002271","price":8.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/fluval-clean-clear-filter-cartridge.jpg?v=1776202548"},{"product_id":"compatible-fluval-clean-clear-cartridges-2-pack-2","title":"Compatible Fluval Clean \u0026 Clear Cartridges (8 Pack)","description":"\u003ch3\u003e\u003cstrong\u003eCompatible Fluval Clean \u0026amp; Clear U1 U2 U3 U4 Filter Media Cartridges (8 Pack)\u003c\/strong\u003e\u003c\/h3\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\n\u003cp\u003eThe compatible Fluval clean and clear cartridge brings crystal clean results to your aquarium with virtually no effort involved. By dramatically improving the quality of your water, aquatic hobbyists are able to enjoy hours of endless viewing pleasure courtesy of our compatible Fluval clean and clear U filter cartridges.\u003c\/p\u003e\n\u003cp\u003eOur compatible Fluval Clean \u0026amp; Clear Cartridges are packed with special high-performance resins which are proven to effectively reduce phosphates concentration for healthier fish. The innovative cartridge which is small and compact for all types of aquaria, is also fantastic at removing nitrate, combining the removal of both toxins at once. The effects deliver health benefits to your fish and plants whilst simultaneously keeping water beautifully clear.\u003c\/p\u003e\n\u003cp\u003eThe compatible Fluval Clean \u0026amp; Clear Cartridge reduces tank maintenance by extending the time between water changes allowing you more time to appreciate your aquarium for its breathtaking natural beauty. The cartridge is simply added to the central Fluval U cartridge alongside the Biomax. \u003c\/p\u003e\n\u003cp\u003eAt a Glance:\u003c\/p\u003e\n\u003cp\u003eCrystal clear results\u003c\/p\u003e\n\u003cp\u003eNo manual cleaning efforts involved\u003c\/p\u003e\n\u003cp\u003eMaintains healthy fish and plants\u003c\/p\u003e\n\u003cp\u003ePacked with special high performance resins\u003c\/p\u003e\n\u003cp\u003eReduces phosphate and nitrate levels\u003c\/p\u003e\n\u003cp\u003eSmall and compact for all aquariums\u003c\/p\u003e\n\u003cp\u003eExtends time between water changes - reduces tank maintenance\u003c\/p\u003e\n\u003cp\u003eSimply added to the Fluval U cartridge. Compatible with the U range of filters, U1, U2, U3 and U4.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":57690238681413,"sku":"5002272","price":16.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/fluval-clean-clear-internal-filter-cartridge.jpg?v=1776202565"},{"product_id":"4-x-compatible-fluval-u2-foams-4-x-polymax-filters-2-x-clean-clear-cartridges","title":"4 x Compatible Fluval U2 Foams + 4 x PolyMax Filters + 2 x Clean \u0026 Clear Cartridges","description":"\u003cp style=\"font-weight: 400;\"\u003e\u003cstrong\u003e4 x Compatible Fluval U2 Foam and 4 x PolyMax Cartridges Internal Filter Sponges and 2 x Clean \u0026amp; Clear Cartridges\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eYou are purchasing a pack of 4 x Finest Filters compatible foam pads and 4 x compatible polymax \/ clearmax filter cartridges suitable for the Fluval U2 aquarium filter and 2 x compatible Clean \u0026amp; Clear cartridges.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eReplacement PolyMax compatible filter cartridges for Fluvals U2 series of internal filters. These help control green water and unsightly algae growth by adsorbing and trapping phosphate, nitrite and nitrate. It effectively produces crystal clear water, reduces odours, and creates ideal conditions for fish and plants. The polymax \/ polyclear filter cartridge helps reduce overall aquarium maintenance. These cartridges should be replaced approximately every 4 weeks.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eOur compatible with Fluval Clean \u0026amp; Clear Cartridges are packed with special high-performance resins which are proven to effectively reduce phosphates concentration for healthier fish. The innovative cartridge which is small and compact for all types of aquaria, is also fantastic at removing nitrate, combining the removal of both toxins at once.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eRegular replacement of the filter pads in your filter will ensure that your filter is running at its best.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003e\u003cstrong\u003eSize (mm): 127 x 57 x 13\u003c\/strong\u003e\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":57690239172933,"sku":"5002279","price":12.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/fluval-u2-polymax-clean-clear.jpg?v=1776202779"},{"product_id":"8-x-compatible-fluval-u2-foams-8-x-polymax-filters-4-x-clean-clear-cartridges","title":"8 x Compatible Fluval U2 Foams + 8 x PolyMax Filters + 4 x Clean \u0026 Clear Cartridges","description":"\u003cp style=\"font-weight: 400;\"\u003e\u003cstrong\u003e8 x Compatible Fluval U2 Foam and 8 x PolyMax Cartridges Internal Filter Sponges and 4 x Clean \u0026amp; Clear Cartridges\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eYou are purchasing a pack of 8 x Finest Filters compatible foam pads and 8 x compatible polymax \/ clearmax filter cartridges suitable for the Fluval U2 aquarium filter and 4 x compatible Clean \u0026amp; Clear cartridges.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eReplacement PolyMax compatible filter cartridges for Fluvals U2 series of internal filters. These help control green water and unsightly algae growth by adsorbing and trapping phosphate, nitrite and nitrate. It effectively produces crystal clear water, reduces odours, and creates ideal conditions for fish and plants. The polymax \/ polyclear filter cartridge helps reduce overall aquarium maintenance. These cartridges should be replaced approximately every 4 weeks.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eOur compatible with Fluval Clean \u0026amp; Clear Cartridges are packed with special high-performance resins which are proven to effectively reduce phosphates concentration for healthier fish. The innovative cartridge which is small and compact for all types of aquaria, is also fantastic at removing nitrate, combining the removal of both toxins at once.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eRegular replacement of the filter pads in your filter will ensure that your filter is running at its best.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003e\u003cstrong\u003eSize (mm): 127 x 57 x 13\u003c\/strong\u003e\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":57690239402309,"sku":"5002280","price":21.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/fluval-u2-clean-clear-polymax.jpg?v=1776202784"},{"product_id":"4-x-compatible-fluval-u3-foams-4-x-polymax-filters-2-x-clean-clear-cartridges","title":"4 x Compatible Fluval U3 Foams + 4 x PolyMax Filters + 2 x Clean \u0026 Clear Cartridges","description":"\u003cp style=\"font-weight: 400;\"\u003e\u003cstrong\u003e4 x Compatible Fluval U3 Foam and 4 x PolyMax Cartridges Internal Filter Sponges and 2 x Clean \u0026amp; Clear Cartridges\u003c\/strong\u003e\u003c\/p\u003e\u003cp style=\"font-weight: 400;\"\u003eYou are purchasing a pack of 4 x Finest Filters compatible foam pads and 4 x compatible polymax \/ clearmax filter cartridges suitable for the Fluval U3 aquarium filter and 2 x compatible Clean \u0026amp; Clear cartridges.\u003c\/p\u003e\u003cp style=\"font-weight: 400;\"\u003eReplacement PolyMax compatible filter cartridges for Fluvals U3 series of internal filters. These help control green water and unsightly algae growth by adsorbing and trapping phosphate, nitrite and nitrate. It effectively produces crystal clear water, reduces odours, and creates ideal conditions for fish and plants. The polymax \/ polyclear filter cartridge helps reduce overall aquarium maintenance. These cartridges should be replaced approximately every 4 weeks.\u003c\/p\u003e\u003cp style=\"font-weight: 400;\"\u003eOur compatible with Fluval Clean \u0026amp; Clear Cartridges are packed with special high-performance resins which are proven to effectively reduce phosphates concentration for healthier fish. The innovative cartridge which is small and compact for all types of aquaria, is also fantastic at removing nitrate, combining the removal of both toxins at once.\u003c\/p\u003e\u003cp style=\"font-weight: 400;\"\u003eRegular replacement of the filter pads in your filter will ensure that your filter is running at its best.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":57690239467845,"sku":"5002281","price":13.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/fluval-u3-polymax-clean-clear.jpg?v=1776202790"},{"product_id":"8-x-compatible-fluval-u3-foams-8-x-polymax-filters-4-x-clean-clear-cartridges","title":"8 x Compatible Fluval U3 Foams + 8 x PolyMax Filters + 4 x Clean \u0026 Clear Cartridges","description":"\u003cp style=\"font-weight: 400;\"\u003e\u003cstrong\u003e8 x Compatible Fluval U3 Foam and 8 x PolyMax Cartridges Internal Filter Sponges and 4 x Clean \u0026amp; Clear Cartridges\u003c\/strong\u003e\u003c\/p\u003e\u003cp style=\"font-weight: 400;\"\u003eYou are purchasing a pack of 8 x Finest Filters compatible foam pads and 8 x compatible polymax \/ clearmax filter cartridges suitable for the Fluval U3 aquarium filter and 4 x compatible Clean \u0026amp; Clear cartridges.\u003c\/p\u003e\u003cp style=\"font-weight: 400;\"\u003eReplacement PolyMax compatible filter cartridges for Fluvals U3 series of internal filters. These help control green water and unsightly algae growth by adsorbing and trapping phosphate, nitrite and nitrate. It effectively produces crystal clear water, reduces odours, and creates ideal conditions for fish and plants. The polymax \/ polyclear filter cartridge helps reduce overall aquarium maintenance. These cartridges should be replaced approximately every 4 weeks.\u003c\/p\u003e\u003cp style=\"font-weight: 400;\"\u003eOur compatible with Fluval Clean \u0026amp; Clear Cartridges are packed with special high-performance resins which are proven to effectively reduce phosphates concentration for healthier fish. The innovative cartridge which is small and compact for all types of aquaria, is also fantastic at removing nitrate, combining the removal of both toxins at once.\u003c\/p\u003e\u003cp style=\"font-weight: 400;\"\u003eRegular replacement of the filter pads in your filter will ensure that your filter is running at its best.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":57690239697221,"sku":"5002282","price":24.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/fluval-u3-polymax-clean-clean-filters.jpg?v=1776202796"},{"product_id":"4-x-compatible-fluval-u4-foams-4-x-polymax-filters-2-x-clean-clear-cartridges","title":"4 x Compatible Fluval U4 Foams + 4 x PolyMax Filters + 2 x Clean \u0026 Clear Cartridges","description":"\u003cp style=\"font-weight: 400;\"\u003e\u003cstrong\u003e4 x Compatible Fluval U4 Foam and 4 x PolyMax Cartridges Internal Filter Sponges and 2 x Clean \u0026amp; Clear Cartridges\u003c\/strong\u003e\u003c\/p\u003e\u003cp style=\"font-weight: 400;\"\u003eYou are purchasing a pack of 4 x Finest Filters compatible foam pads and 4 x compatible polymax \/ clearmax filter cartridges suitable for the Fluval U4 aquarium filter and 2 x compatible Clean \u0026amp; Clear cartridges.\u003c\/p\u003e\u003cp style=\"font-weight: 400;\"\u003eReplacement PolyMax compatible filter cartridges for Fluvals U4 series of internal filters. These help control green water and unsightly algae growth by adsorbing and trapping phosphate, nitrite and nitrate. It effectively produces crystal clear water, reduces odours, and creates ideal conditions for fish and plants. The polymax \/ polyclear filter cartridge helps reduce overall aquarium maintenance. These cartridges should be replaced approximately every 4 weeks.\u003c\/p\u003e\u003cp style=\"font-weight: 400;\"\u003eOur compatible with Fluval Clean \u0026amp; Clear Cartridges are packed with special high-performance resins which are proven to effectively reduce phosphates concentration for healthier fish. The innovative cartridge which is small and compact for all types of aquaria, is also fantastic at removing nitrate, combining the removal of both toxins at once.\u003c\/p\u003e\u003cp style=\"font-weight: 400;\"\u003eRegular replacement of the filter pads in your filter will ensure that your filter is running at its best.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":57690239762757,"sku":"5002283","price":14.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/fluval-u4-polymax-clean-clear.jpg?v=1776202801"},{"product_id":"8-x-compatible-fluval-u4-foams-8-x-polymax-filters-4-x-clean-clear-cartridges","title":"8 x Compatible Fluval U4 Foams + 8 x PolyMax Filters + 4 x Clean \u0026 Clear Cartridges","description":"\u003cp style=\"font-weight: 400;\"\u003e\u003cstrong\u003e8 x Compatible Fluval U4 Foam and 8 x PolyMax Cartridges Internal Filter Sponges and 4 x Clean \u0026amp; Clear Cartridges\u003c\/strong\u003e\u003c\/p\u003e\u003cp style=\"font-weight: 400;\"\u003eYou are purchasing a pack of 8 x Finest Filters compatible foam pads and 8 x compatible polymax \/ clearmax filter cartridges suitable for the Fluval U4 aquarium filter and 4 x compatible Clean \u0026amp; Clear cartridges.\u003c\/p\u003e\u003cp style=\"font-weight: 400;\"\u003eReplacement PolyMax compatible filter cartridges for Fluvals U4 series of internal filters. These help control green water and unsightly algae growth by adsorbing and trapping phosphate, nitrite and nitrate. It effectively produces crystal clear water, reduces odours, and creates ideal conditions for fish and plants. The polymax \/ polyclear filter cartridge helps reduce overall aquarium maintenance. These cartridges should be replaced approximately every 4 weeks.\u003c\/p\u003e\u003cp style=\"font-weight: 400;\"\u003eOur compatible with Fluval Clean \u0026amp; Clear Cartridges are packed with special high-performance resins which are proven to effectively reduce phosphates concentration for healthier fish. The innovative cartridge which is small and compact for all types of aquaria, is also fantastic at removing nitrate, combining the removal of both toxins at once.\u003c\/p\u003e\u003cp style=\"font-weight: 400;\"\u003eRegular replacement of the filter pads in your filter will ensure that your filter is running at its best.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":57690239828293,"sku":"5002284","price":26.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/fluval-u4-polymax-clean-clear_1.jpg?v=1776202818"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/collections\/fluval_compatible_filter_media-min_10e1ff72-9d11-4a49-9f19-6c187d5de075.jpg?v=1776198289","url":"https:\/\/finest-filters.co.uk\/collections\/fluval-u-internal-filters.oembed","provider":"Finest Filters","version":"1.0","type":"link"}