Multi-stage filter pumps out an astounding 925 gallons (3500 L) of water per hourImproved motor technology provides better performance while consuming 10% less electricity than previous generationSmart Pump™ – advanced microchip technology continuously monitors and optimizes pump performanceSelf-starting – just add water, plug in and Smart Pump™ will take over. Trapped air auto-evacuated every 12 hours to ensure maximum efficiencyEasy water changes eliminate need to lift heavy buckets. Simply attach hosing to output (Kit sold separately) and Smart Pump™ does the restRemovable, stackable media baskets eliminate water bypass and hold a total of 1.5 gallons (5.9 L) of mediaAll filter media included – mechanical, chemical and biologicalAqua-Stop valves with leak-proof Click-Fit attachment systemValves positioned at convenient 45-degree angle for easy installation and rotationAnti-clog, telescopic strainer ensures continuous water flowMulti-Directional Output nozzles can be fully adjusted to create customized water flowsPurge Valve with drain hose for easy maintenance and flushing of canisterRubberized feet help ensure quiet operation21″ tall design – easily fits under most aquariumsMade in ItalyFor use in freshwater and saltwater aquariums