AQUA-TECH 5-15 AQUARIAM POWER FILTER For Aquariums 5 to 15 gallons Aqua-Tech Power Aquarium Filter w/ 3-Step Filtration Description: Filters are a very important piece of equipment in an aquarium and critical to your aquarium?s success. The job of the filter is to move the water through the filter cartridge where it is processed to remove odors and small particles of waste and through the BIO-Fiber to eliminate the toxic ammonia and nitrites from the aquarium water. Each of the AQUA-Tech Power Filters provides 3-stage filtration for fish and cleaner water. 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. Complete 3 Stage Filtration System: In Stage 1: ? The filter cartridge floss screens out dirt and debris. ? Molded and ribbed back for maximum water-to-carbon contact. In Stage 2: ? Activated carbon inside filter cartridge removes odors, discolorations and impurities. ? Change the used Aqua-Tech replacement cartridge monthly as carbon deactivates with use. In Stage 3: ? The Bio-Tech Biological Grid*, which comes with your power filter, never needs replacing; ensures elimination of toxic ammonia and nitrite; and has a unique design that will not clog! For 5 to 15 gallon aquariums Advanced 3 step filtration Comes with one AQUA-Tech EZ-Change #1 Filter Cartridge Traps dirt, removes impurities and offers maximum water to carbon contact SHELF:2