Cascade Hang-On Power Filters feature a revolutionary Bio-Falls Quad Filtration System. 1) The Polyfiber Floss Cartridge trap floating particulate matter, 2) The Activated Carbon Cartridge removes harmful chemicals, toxins, odors, discoloration and other contaminants, 3) The Internal Sponge optimizes the colonization of beneficial aerobic bacteria while removing ammonia and nitrites, and 4) The External Bio-Falls wet/dry biological booster provides additional ammonia and nitrite removal and enhances oxygen exchange for maximum water oxygenation. Recommended for fresh water applications, this filter attaches easily to your tank. A leveling device keeps your filter in position and the self-priming intake tube has a built-in extendable stem to allow placement of the intake strainer close to the bottom of most aquariums. Filter includes an adjustable flow control knob to reduce filtration during feeding times or as needed, and the quiet and efficient motor is maintanance free. Comes with bio floss and activated carbon cartridges and is ready to use.

• Filters 185 gallons per hour for use in aquariums up to 55 gallons in size.
• Revolutionary Bio-Falls Quad-Filtration system provides efficient filtration with additional ammonia and nitrite removal.
• Recommended for salt or fresh water applications.