Description Fluval FX4 High Performance Canister Filter Building off the high-performance FX platform, the all-new FX4 canister filter bridges the gap between the Fluval 406 and the FX6 canister filters, making it an ideal choice for aquariums up to 250 US Gal (1000 L). Multi-stage filter pumps out 700 gallons (2650 L) of water per hour Smart Pump™ – advanced microchip technology continuously monitors and optimizes pump performance Self-starting – just add water, plug in and Smart Pump™ will take over. Trapped air auto-evacuated every 12 hours to ensure maximum efficiency Easy water changes eliminate need to lift heavy buckets. Simply attach hosing to output (Kit sold separately) and Smart Pump™ does the rest Removable, stackable media baskets eliminate water bypass and hold a total of 1 gallon (3.9 L) of media All filter media included – mechanical, chemical and biological Aqua-Stop valves with leak-proof Click-Fit attachment system Valves positioned at convenient 45-degree angle for easy installation and rotation Anti-clog, telescopic strainer ensures continuous water flow Multi-Directional Output nozzles can be fully adjusted to create customized water flows Utility Valve with drain hose for easy maintenance and flushing of canister Rubberized feet help ensure quiet operation Compact 16.5″ tall design – easily fits under most aquariums Made in Italy For use in freshwater and saltwater aquariums   Fluval FX4 High Performance Canister Filter MODEL Item # FX4 A214 UPC 015561102148 Aquarium Capacity 250 US Gal (1,000 L) Pump Output 700 US Gal/h (2,650 L/h) Mechanical Area (foam) 217 in2 (1,400 cm2) Biological Volume 1 US Gal (3.91 L) Filtration Volume 3.7 US Gal (14 L) Filter Circulation 450 US Gal/h (1,700 L/h) Head height (max.) 6.9ft (2.1 m) Wattage (120V/60Hz) 30 W Wattage (230-240V/50Hz) 30 W Dimensions (L x W x H) 15.75 x 15.75 x 16.5″ (40 x 40 x 42 cm) More information What is included? Ribber hosing Rim connectors, clips and suction cups Intake stem Output nozzle Lid fasteners Filter canister Utility valve and hosing Drain cap Pump unit (motor) and power cord Rubbert feet Media baskets 1/2 media baskets Filter lid and accessories HIGH PERFORMANCE FILTRATION European ingenuity and innovation have fueled the next generation of FX canister filters, which feature patented SMART PUMP™ performance-optimizing technology, intricate multi-stage filtration, a built-in powered water change system and basket-in-basket tray design offering greater media capacity. As always, you can expect FX’s legendary mix of power and efficiency that lets you spend more time enjoying your tank, and less time maintaining it. HIGH CAPACITY POWER, LOW MAINTENANCE Known for its strength and durability, the FX series sweeps the tank harder and faster, while picking up a greater amount of debris, which ultimately translates into less maintenance frequency.