Certified flow rate of 100GPH For aquariums up to 20 gallons Uses the Rite-Size A filter cartridgeAll Penguin BIO-Wheel Power Filters deliver easy, three-stage mechanical, chemical and biological aquarium filtration.Convenient Penguin Rite-Size Filter Cartridges come ready to use with each filter…ready to mechanically and chemically remove waste, discoloration and odors. Each contains new faster-acting Black Diamond Premium Activated Carbon for maximum efficiency. Biological filtration is provided by the revolutionary and patented BIO-Wheel – proven best at removing toxic ammonia and nitrite.All BIO-Wheel filters feature Noise-Reducing Two-Piece Vented Covers, and Adjustable Mid-Level Intake Strainers.

Model: AS50360