{"product_id":"fluval-fx4-high-performance-canister-filter","title":"Fluval FX4 High Performance Canister Filter","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003eFluval FX4 High Performance Canister Filter\u003c\/strong\u003e is a powerful, high-capacity \u003cstrong\u003eexternal aquarium filter\u003c\/strong\u003e designed for large freshwater aquariums, planted tanks, aquascapes, cichlid systems, and heavily stocked aquariums where strong circulation and dependable filtration are essential.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSuitable for aquariums up to \u003cstrong\u003e1,000 litres \/ 250 US gallons\u003c\/strong\u003e, the Fluval FX4 delivers an impressive pump output of up to \u003cstrong\u003e2,650 L\/h \/ 700 US GPH\u003c\/strong\u003e while providing approximately \u003cstrong\u003e1,700 L\/h \/ 450 US GPH of filter circulation\u003c\/strong\u003e under operating conditions.\u003c\/p\u003e\n\u003cp\u003eWith a large \u003cstrong\u003e14-litre filtration volume\u003c\/strong\u003e, advanced multi-stage filtration, and Fluval’s intelligent \u003cstrong\u003eSmart Pump Technology\u003c\/strong\u003e, the FX4 provides the filtration capacity needed to maintain excellent water clarity and stable aquarium conditions in demanding setups.\u003c\/p\u003e\n\u003ch3\u003eAdvanced Multi-Stage Filtration\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFluval FX4 canister filter\u003c\/strong\u003e provides extensive space for \u003cstrong\u003emechanical, biological, and chemical filtration media\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIts high-capacity media system allows water to pass efficiently through multiple filtration stages, helping to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCapture suspended waste and debris\u003c\/li\u003e\n\u003cli\u003eSupport colonies of beneficial bacteria\u003c\/li\u003e\n\u003cli\u003eImprove biological stability\u003c\/li\u003e\n\u003cli\u003eRemove dissolved impurities when chemical media is used\u003c\/li\u003e\n\u003cli\u003eMaintain clear and healthy aquarium water\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe FX4 offers approximately \u003cstrong\u003e1,400 cm² of mechanical filtration area\u003c\/strong\u003e and \u003cstrong\u003e3.9 litres of biological media capacity\u003c\/strong\u003e, making it particularly suitable for aquariums with heavier biological loads.\u003c\/p\u003e\n\u003ch3\u003eSmart Pump Technology\u003c\/h3\u003e\n\u003cp\u003eFluval’s \u003cstrong\u003eSmart Pump Technology\u003c\/strong\u003e electronically manages the filter motor to maintain efficient operation.\u003c\/p\u003e\n\u003cp\u003eThe automatic priming system simplifies startup, while the filter periodically evacuates trapped air to help maintain consistent performance without requiring constant manual intervention.\u003c\/p\u003e\n\u003cp\u003eThis makes the FX4 particularly convenient for larger aquarium installations where reliability and ease of maintenance are important.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eHigh-performance external canister filter\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eSuitable for aquariums up to \u003cstrong\u003e1,000 L \/ 250 US gallons\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePowerful pump output up to \u003cstrong\u003e2,650 L\/h \/ 700 US GPH\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFilter circulation approximately \u003cstrong\u003e1,700 L\/h \/ 450 US GPH\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdvanced \u003cstrong\u003emulti-stage aquarium filtration\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupports \u003cstrong\u003emechanical, biological, and chemical filtration\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eLarge \u003cstrong\u003e14 L filtration capacity\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eApproximately \u003cstrong\u003e3.9 L biological media volume\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1,400 cm² mechanical filtration area\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eFluval \u003cstrong\u003eSmart Pump Technology\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAutomatic priming for easier startup\u003c\/li\u003e\n\u003cli\u003eLarge-capacity media baskets\u003c\/li\u003e\n\u003cli\u003eHigh filtration capacity with low-maintenance design\u003c\/li\u003e\n\u003cli\u003eQuiet, energy-efficient operation\u003c\/li\u003e\n\u003cli\u003eIntegrated bottom drain valve for easier maintenance\u003c\/li\u003e\n\u003cli\u003eRobust intake and output connections\u003c\/li\u003e\n\u003cli\u003eSuitable for demanding freshwater aquarium systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eFluval FX4\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Aquarium Size\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUp to 1,000 L \/ 250 US Gal\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePump Output\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e2,650 L\/h \/ 700 US GPH\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Circulation\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1,700 L\/h \/ 450 US GPH\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical Filtration Area\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1,400 cm² \/ 217 in²\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBiological Volume\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3.9 L \/ 1 US Gal\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiltration Volume\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e14 L \/ 3.7 US Gal\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCanister Volume\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e14 L \/ 3.7 US Gal\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Head Height\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e2.1 m \/ 6.9 ft\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e30 W\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e40 × 40 × 42 cm\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (Imperial)\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e15.75 × 15.75 × 16.5 in\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eWhy Choose the Fluval FX4?\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFluval FX4\u003c\/strong\u003e sits between the more compact FX2 and the flagship FX6, making it an excellent option for aquarists who need substantial filtration power without moving to the largest FX-series model.\u003c\/p\u003e\n\u003cp\u003eIts combination of \u003cstrong\u003ehigh flow, large media capacity, powerful biological filtration, and intelligent pump management\u003c\/strong\u003e makes it especially suitable for:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLarge planted aquariums\u003c\/strong\u003e, where strong circulation helps distribute nutrients, CO₂, and oxygen throughout the tank.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCichlid aquariums\u003c\/strong\u003e, where powerful mechanical and biological filtration helps manage the increased waste produced by larger or heavily stocked fish.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLarge community aquariums\u003c\/strong\u003e, where stable biological filtration and consistent water movement are critical.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAquascapes\u003c\/strong\u003e, where external filtration keeps equipment out of the display while maintaining strong circulation throughout the layout.\u003c\/p\u003e\n\u003cp\u003eFor aquarists looking for a premium \u003cstrong\u003elarge aquarium canister filter\u003c\/strong\u003e, the Fluval FX4 offers an excellent balance between \u003cstrong\u003epower, filtration capacity, reliability, and ease of maintenance\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Biotope","offers":[{"title":"Default Title","offer_id":54486035595630,"sku":null,"price":427.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1013\/1361\/0094\/files\/fluval-fx4-supplier-catalog-biotope_8dcdff6f-bf86-45b3-9c51-d6fab8b289f1.jpg?v=1787098260","url":"https:\/\/biotopelb.com\/products\/fluval-fx4-high-performance-canister-filter","provider":"Biotope","version":"1.0","type":"link"}