# Fish Filters Shop Aquarium Filters at Pet n Pony, featuring quality filtration systems from Fluval, Superfish, and Marina. A reliable filter is the cornerstone of a healthy aquarium, removing waste, toxins, and harmful bacteria to maintain crystal-clear water and a safe environment for your fish. Our filter range includes internal filters for smaller tanks, powerful external canister filters for larger aquariums, and replacement filter media to keep your filtration system performing at its best. Keep your aquarium water clean and your fish healthy with our quality aquarium filter range. ## Products in this collection - [Fluval 07 External Filter](https://petnpony.co.uk/products/fluval-07-external-filter) - 109.99 GBP - [Fluval Underwater Filter](https://petnpony.co.uk/products/fluval-underwater-filter) - 20.0 GBP - [Fluval FX External Filter FX6](https://petnpony.co.uk/products/fluval-fx-external-filter-fx6) - 305.99 GBP - [Supafish Aqua Flow Click Cartridges](https://petnpony.co.uk/products/supafish-aqua-flow-click-cartridges) - 6.49 GBP - [Fluval FX External Filter FX2](https://petnpony.co.uk/products/fluval-fx-external-filter-fx2) - 224.99 GBP - [Fluval FX External Filter FX4](https://petnpony.co.uk/products/fluval-fx-external-filter-fx4) - 247.99 GBP - [Fluval 307/407 Nitrate Remover](https://petnpony.co.uk/products/fluval-307-407-nitrate-remover) - 11.69 GBP - [Fluval 307/407 Ammonia Remover](https://petnpony.co.uk/products/fluval-307-407-ammonia-remover) - 11.69 GBP - [Fluval 104 Foam Filter Block](https://petnpony.co.uk/products/fluval-104-foam-filter-block) - 8.29 GBP - [Fluval FX2 Rippled Bio Foam](https://petnpony.co.uk/products/fluval-fx2-rippled-bio-foam) - 13.99 GBP - [Fluval U4 Media Value Pack](https://petnpony.co.uk/products/fluval-u4-media-value-pack) - 29.99 GBP - [Fluval U3 Media Value Pack](https://petnpony.co.uk/products/fluval-u3-media-value-pack) - 25.99 GBP - [Fluval U2 Media Value Pack](https://petnpony.co.uk/products/fluval-u2-media-value-pack) - 23.99 GBP - [Fluval FX5/FX6 Bio Foam 2 Pack](https://petnpony.co.uk/products/fluval-fx5-fx6-bio-foam-2-pack) - 13.89 GBP - [Fluval FX4/5/6 Filter Foam 3 Pack](https://petnpony.co.uk/products/fluval-fx4-5-6-filter-foam-3-pack) - 21.59 GBP - [Fluval Bio FX 2L](https://petnpony.co.uk/products/fluval-bio-fx-2l) - 17.99 GBP - [Marina 360 Carbon/Zeolite Cartridge (4pk)](https://petnpony.co.uk/products/marina-360-carbon-zeolite-cartridge-4pk) - 4.59 GBP - [Fluval Zeo Carb 450g](https://petnpony.co.uk/products/fluval-zeo-carb-450g) - 16.69 GBP - [Fluval Ammonia Remover 540g](https://petnpony.co.uk/products/fluval-ammonia-remover-540g) - 14.89 GBP - [Fluval Pre Filter 750g](https://petnpony.co.uk/products/fluval-pre-filter-750g) - 16.99 GBP - [Fluval Biomax 500g](https://petnpony.co.uk/products/fluval-biomax-500g) - 12.69 GBP - [Fluval Carbon 300g](https://petnpony.co.uk/products/fluval-carbon-300g) - 12.69 GBP - [Fluval Chi Foam Pad for 19/25L Chi (2pcs)](https://petnpony.co.uk/products/fluval-chi-foam-pad-for-19-25l-chi-2pcs) - 4.09 GBP - [Fluval Chi Polyester Filter Pad for 19/25L Chi (3pcs)](https://petnpony.co.uk/products/fluval-chi-polyester-filter-pad-for-19-25l-chi-3pcs) - 7.69 GBP - [Fluval Edge Foam Biomax Kit (1 x filter foam, 1 x Biomax bag)](https://petnpony.co.uk/products/fluval-edge-foam-biomax-kit-1-x-filter-foam-1-x-biomax-bag) - 6.39 GBP - [Fluval Edge Carbon Clean and Clear (3 x 45g sachets)](https://petnpony.co.uk/products/fluval-edge-carbon-clean-and-clear-3-x-45g-sachets) - 6.39 GBP - [Fluval Nitrite Remover Foam Insert Block](https://petnpony.co.uk/products/fluval-nitrite-remover-foam-insert-block) - 4.19 GBP - [Fluval Spec/Flex/Evo Biomax 42g](https://petnpony.co.uk/products/fluval-spec-flex-evo-biomax-42g) - 4.69 GBP - [Fluval Clearmax](https://petnpony.co.uk/products/fluval-clearmax) - 10.59 GBP - [Fluval Ammonia Remover Foam Insert Block](https://petnpony.co.uk/products/fluval-ammonia-remover-foam-insert-block) - 4.19 GBP - [Fluval Phosphate Remover Foam Insert Block](https://petnpony.co.uk/products/fluval-phosphate-remover-foam-insert-block) - 4.19 GBP - [Fluval U Clean&Clear Cartridge](https://petnpony.co.uk/products/fluval-u-clean-clear-cartridge) - 7.99 GBP - [Fluval Biomax 170g](https://petnpony.co.uk/products/fluval-biomax-170g) - 7.49 GBP - [Fluval 107/207 Nitrate Remover](https://petnpony.co.uk/products/fluval-107-207-nitrate-remover) - 9.59 GBP - [Fluval 307/407 Phosphate Remov](https://petnpony.co.uk/products/fluval-307-407-phosphate-remov) - 11.69 GBP - [Fluval 107/207 Phosphate Remov](https://petnpony.co.uk/products/fluval-107-207-phosphate-remov) - 9.59 GBP - [Fluval 107/207 Ammonia Remover](https://petnpony.co.uk/products/fluval-107-207-ammonia-remover) - 9.59 GBP - [Fluval Polishing Pad 305/405](https://petnpony.co.uk/products/fluval-polishing-pad-305-405) - 8.69 GBP - [Fluval Polishing Pad 105/205](https://petnpony.co.uk/products/fluval-polishing-pad-105-205) - 7.39 GBP - [Fluval 306/406 Bio Foam](https://petnpony.co.uk/products/fluval-306-406-bio-foam) - 7.69 GBP - [Fluval 106/206 Bio Foam](https://petnpony.co.uk/products/fluval-106-206-bio-foam) - 5.59 GBP - [Fluval 404 Foam Filter Block](https://petnpony.co.uk/products/fluval-404-foam-filter-block) - 13.69 GBP - [Fluval 204/304 Foam Filter Block](https://petnpony.co.uk/products/fluval-204-304-foam-filter-block) - 12.99 GBP - [Fluval 407 Bio Foam Max](https://petnpony.co.uk/products/fluval-407-bio-foam-max) - 10.59 GBP - [Fluval 207/307 Biofoam Max](https://petnpony.co.uk/products/fluval-207-307-biofoam-max) - 9.59 GBP - [Fluval 107 Biofoam Max](https://petnpony.co.uk/products/fluval-107-biofoam-max) - 7.49 GBP - [Marina Replacement Cartridge](https://petnpony.co.uk/products/marina-replacement-cartridge) - 5.29 GBP - [Fluval Poly/Carbon Cartrdige](https://petnpony.co.uk/products/fluval-poly-carbon-cartrdige) - 5.51 GBP - [Fluval Foam Pads](https://petnpony.co.uk/products/fluval-foam-pads) - 4.31 GBP - [Fluval Poly-Max Cartridge](https://petnpony.co.uk/products/fluval-poly-max-cartridge) - 5.03 GBP --- > Source: [Pet n Pony](https://petnpony.co.uk/collections/fish-filters) > Updated: 2026-07-04