Penn-Plax Cascade 100 Power Filter #CPF2

Penn Plax Cascade hang-on power filter features the revolutionary Bio-Falls Quad Filtration System: Polyfiber Floss Cartridge traps floating particulate matter; Activated Carbon Cartridge removes harmful chemicals, toxins, odors, discoloration and other contaminants; Internal Sponge optimizes colonization of beneficial aerobic bacteria and removes ammonia and nitrites; and External Bio-Falls wet/dry biological booster for additional ammonia and nitrite removal and enhances oxygen exchange for maximum water oxygenation. Quiet and efficient motor with adjustable flow control. For aquariums up to 20 gallons; pumps 100 G.P.H. Shipping weight: 2 lbs.