Fluval FX5 External Canister Filter Advanced, multi-staged canister filtration system providing maximum versatility and premium performance for aquariums up to 400 gallons Self-starting; Fluval Smart Pump Technology provides a quiet and efficient operation Equipped with Click-Fit Connectors for quick set-up and leak proof maintenance AquaStop Valve offers an air- and water-tight seal permitting hosing to be disconnected without breaking the vacuum High capacity canister filters 925 gallons per hour; 3-year warranty