Fish Aquarium & Bowls accessories - Penn Plax Cascade Power Filter 300

2: Chemical Activated Carbon Cartridge removes harmful chemicals, toxins, odors, discoloration, and other contaminants. 3: Biological Internal Sponge optimizes colonization of beneficial aerobic bacteria. Removes ammonia and nitrites keeping the aquarium healthy. 4: Biological External Bio-Falls Wet/Dry Biological Booster for additional ammonia and nitrite removal. Enhances oxygen exchange for maximum water oxygenation. Designed for Dependable, Long-Lasting Use Quiet, efficient, and maintenance-free motor. Adjustable flow control. Extendable lift tube for maximum depth of tank. Leveling Device keeps filter positioned and stable on most aquariums. Easy, disposable replacement cartridge. Free cartridge included. Permanent Bio-Sponge stays in place while changing first stage filter cartridge. Bio-Falls Wet/Dry biological booster for additional ammonia and nitrite removal.

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