Penguin Bio- Wheel Power Filter by Marineland for Flow Ra...

Penguin Bio-Wheel Power Filters deliver effective easy 3-stage aquarium filtration without the hassle of air pumps valves and tubing. Convenient Rite-Size Filter Cartridges come ready to use with each filter to mechanically and chemically remove waste discoloration and odors. Biological filtration is provided by the revolutionary Bio-Wheel which has been proven best at removing toxic ammonia and nitrites. Certified flow rate of 75GPH perfect for aquariums up to 10 gallons.