{"product_id":"fluval-fx4-high-performance-canister-filter-for-aquariums-up-to-250-gal-fluval","title":"Fluval FX4 High Performance Canister Filter — For Aquariums Up to 250 Gal | Fluval","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Fluval FX4 is a high‑performance canister filter engineered to simplify aquarium upkeep while delivering robust, multistage filtration for large tanks. Its compact profile houses powerful flow and advanced features designed to keep water clear and residents healthy.\u003c\/p\u003e\n\u003cp\u003eExperience a filtration system that balances throughput and efficiency. With a pump output of 700 US gallons per hour and a circulation rate of 450 GPH, the FX4 moves water swiftly through a carefully designed filtration path, supporting healthy fish, vibrant plants, and readably clear water in sizable displays.\u003c\/p\u003e\n\u003ch3\u003eSmart filtration, steady performance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSmart Pump Technology continually monitors impeller speed and force to optimize output and energy efficiency.\u003c\/li\u003e\n  \u003cli\u003eSelf-starting design: add water, plug in, and the system takes over; air is auto‑evacuated on schedule.\u003c\/li\u003e\n  \u003cli\u003eRemovable, stackable media baskets hold up to 1 US gallon of media and prevent water bypass.\u003c\/li\u003e\n  \u003cli\u003eEach basket is lined with foam for mechanical pre‑filtration, with space for chemical and biological media.\u003c\/li\u003e\n  \u003cli\u003eInstant-release T-handles simplify removing and servicing the baskets for routine maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompact footprint, simple setup\u003c\/h3\u003e\n\u003cp\u003eAt 16.5 inches tall, the FX4 fits beneath most aquariums, keeping your display area clean and accessible while delivering serious filtration power.\u003c\/p\u003e\n\u003ch3\u003eWhat it means for your tank\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for aquariums up to 250 gallons with strong, reliable flow.\u003c\/li\u003e\n  \u003cli\u003eMultistage filtration supports clear water and stable conditions during feeding, bioload fluctuations, and plant growth.\u003c\/li\u003e\n  \u003cli\u003eEasy maintenance with quick-access media baskets and a dependable self-starting mechanism.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAll filter media are included, so you can set up quickly and begin evaluating water quality as you monitor your tank over time. The FX4’s thoughtful design emphasizes efficiency, ease of use, and long‑term reliability for aquarists of any level.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What size tanks is the Fluval FX4 suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for aquariums up to 250 gallons with strong flow and reliable filtration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What maintenance features does the FX4 include?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Removable, stackable media baskets with instant-release T-handles and auto air evacuation simplify routine maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Fluval","offers":[{"title":"Default Title","offer_id":53549767393609,"sku":"B00N45GLZQ","price":313.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/1781\/9465\/files\/fluval-fx4-under-aquarium-fit.jpg?v=1766223681","url":"https:\/\/petvita.co.uk\/products\/fluval-fx4-high-performance-canister-filter-for-aquariums-up-to-250-gal-fluval","provider":"Petvita","version":"1.0","type":"link"}