{"product_id":"fluval-fx4-high-performance-canister-filter-up-to-250-gallons","title":"Fluval FX4 High Performance Canister Filter (Up to 250 Gallons)","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003eFluval FX4 High Performance Canister Filter\u003c\/strong\u003e delivers exceptional mechanical, biological, and chemical filtration for large freshwater and saltwater aquariums up to \u003cstrong\u003e250 gallons\u003c\/strong\u003e. Designed for serious hobbyists, the FX4 combines powerful filtration, energy-efficient performance, and easy maintenance into one of the most trusted canister filters on the market.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePowered by Fluval's Smart Pump™ technology, the FX4 continuously monitors filter performance and automatically purges trapped air every 12 hours to maintain maximum efficiency. Its multi-stage filtration system removes debris, supports beneficial bacteria, and keeps aquarium water crystal clear while reducing maintenance.\u003c\/p\u003e\n\u003cp\u003eWith an impressive \u003cstrong\u003e700 GPH\u003c\/strong\u003e output and large-capacity media baskets, the FX4 is ideal for heavily stocked aquariums, predator tanks, cichlid tanks, turtle habitats, large freshwater aquariums, and fish-only marine systems.\u003c\/p\u003e\n\u003cp\u003eWhether you're upgrading your filtration or setting up a new display aquarium, the Fluval FX4 provides reliable performance trusted by aquarists worldwide.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable for aquariums up to \u003cstrong\u003e250 gallons\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePowerful \u003cstrong\u003e700 GPH\u003c\/strong\u003e flow rate\u003c\/li\u003e\n\u003cli\u003eMulti-stage mechanical, biological, and chemical filtration\u003c\/li\u003e\n\u003cli\u003eSmart Pump™ technology monitors performance\u003c\/li\u003e\n\u003cli\u003eAutomatic self-starting system\u003c\/li\u003e\n\u003cli\u003eAutomatically purges trapped air every 12 hours\u003c\/li\u003e\n\u003cli\u003eLarge-capacity media baskets\u003c\/li\u003e\n\u003cli\u003eEnergy-efficient operation\u003c\/li\u003e\n\u003cli\u003eAquaStop valves for quick maintenance\u003c\/li\u003e\n\u003cli\u003eEasy water changes and servicing\u003c\/li\u003e\n\u003cli\u003eQuiet, dependable performance\u003c\/li\u003e\n\u003cli\u003eFreshwater and saltwater compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAquarium Size:\u003c\/strong\u003e Up to 250 Gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Rate:\u003c\/strong\u003e 700 GPH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiltration:\u003c\/strong\u003e Mechanical, Biological \u0026amp; Chemical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e Smart Pump™ Technology\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Freshwater \u0026amp; Saltwater Aquariums\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003ePerfect For\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePredator Aquariums\u003c\/li\u003e\n\u003cli\u003eAfrican Cichlid Tanks\u003c\/li\u003e\n\u003cli\u003eCommunity Aquariums\u003c\/li\u003e\n\u003cli\u003eTurtle Aquariums\u003c\/li\u003e\n\u003cli\u003eLarge Freshwater Aquariums\u003c\/li\u003e\n\u003cli\u003eFish-Only Saltwater Systems\u003c\/li\u003e\n\u003cli\u003eHeavily Stocked Aquariums\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eWhy Choose the Fluval FX4?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Fluval FX4 has earned its reputation as one of the industry's most dependable canister filters. Its large media capacity, intelligent pump technology, and simple maintenance make it an excellent choice for hobbyists who need powerful filtration without sacrificing reliability.\u003c\/p\u003e\n\u003cp\u003eWhether you're maintaining crystal-clear water in a predator tank or supporting a heavily stocked freshwater aquarium, the FX4 delivers the performance needed to keep your aquatic environment healthy.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eWhy Shop with Infinity and Beyond Aquatics?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eAt \u003cstrong\u003eInfinity and Beyond Aquatics\u003c\/strong\u003e, we carefully select aquarium equipment known for its quality, reliability, and long-term performance. Whether you're upgrading an existing system or building a new aquarium, we're committed to providing trusted products backed by exceptional customer service.\u003c\/p\u003e\n\u003cp\u003eWhen you shop with us, you'll receive:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine manufacturer-authorized products\u003c\/li\u003e\n\u003cli\u003eCompetitive everyday pricing\u003c\/li\u003e\n\u003cli\u003eFamily-owned small business service\u003c\/li\u003e\n\u003cli\u003eSecure online checkout\u003c\/li\u003e\n\u003cli\u003eCarefully packaged orders\u003c\/li\u003e\n\u003cli\u003eKnowledgeable hobbyist support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eShipping Information\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eOrders are typically processed within \u003cstrong\u003e1–3 business days\u003c\/strong\u003e before shipment.\u003c\/p\u003e\n\u003cp\u003eOnce your order ships, you'll receive a tracking email so you can follow your package every step of the way. Most orders arrive within \u003cstrong\u003e3–7 business days\u003c\/strong\u003e, depending on your location and carrier transit times.\u003c\/p\u003e\n\u003cp\u003eSome manufacturer direct-ship or special-order items may require additional processing time. If applicable, any extended lead times will always be noted on the product page before purchase.\u003c\/p\u003e","brand":"SWA","offers":[{"title":"Default Title","offer_id":53246438474037,"sku":"Fluval-Fx4","price":337.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0964\/2252\/7285\/files\/fx4.jpg?v=1785802789","url":"https:\/\/infinityandbeyondaquatics.com\/products\/fluval-fx4-high-performance-canister-filter-up-to-250-gallons","provider":"Infinity and Beyond Aquatics ","version":"1.0","type":"link"}