Tetra Whisper Power Filters

Whisper Aquarium Power Filters are the best-selling brand of power filters in the U.S. They are appropriate for nearly every size aquarium; use more than one on larger aquariums. Whisper Power Filters provide the three types of filtration that your aquarium needs: Mechanical Filtration to remove particles such as uneaten food, bits of plants, fish waste, etc., from the water. Biological Filtration to provide for the growth of a colony of beneficial bacteria that will eliminate harmful toxins in the aquarium. Chemical Filtration through the use of activated carbon to remove compounds that cause odors and discoloration of aquarium water. All models of the Whisper Power Filter feature economical Filter Cartridges, low wattage motors, quiet waterfall return spout, intake strainer, and crack resistant molded plastic case and lid. Whisper Power Filters hang on the back of any standard frame aquarium. Whisper PF10 Power Filter: Use on aquariums up to 10 gallons. Whisper EX20 Power Filter: Use on aquariums up to 20 gallons. Whisper EX30 Power Filter: Use on aquariums up to 30 gallons. Whisper EX45 Power Filter: Use on aquariums up to 45 gallons. Whisper EX70 Power Filter: Use on aquariums up to 70 gallons.