Marineland® BIO-Wheel® Penguin® 100B Power Filter 20 Gal
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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. The Penguin® 75 BIO-Wheel® Power Filter brings Penguin's 3-stage filtration technology to aquariums up to 10 gallons. The 75 is ideal for new aquariums as well as establish tanks in need of an upgrade.