Marineland - Penguin 200 Power Filter 30-50gal

All Penguin BIO-Wheel Power Filters deliver easy, three-stage mechanical, chemical, and biological aquarium filtration. Convenient Marineland 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.