Aqua-Tech makes aquarium maintenance simple and easy. The Aqua-Tech Power Filter for aquariums traps dirt, removes impurities and offers maximum water to carbon contact with its advanced three step filtration. This product comes in a variety of sizes to meet any aquarium needs including: 5 to 15 gallons, 10 to 20 gallons, 20 to 40 gallons and 30 to 60 gallons. All Aqua-Tech Power Filters comes with a two-year warranty.