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These filters allow you to cultivate nitrifying bacteria for superb biological filtration
it performs three functions at the same time: water filtration
providing reliable oxygenation for aquariums and ponds up to 600 gallons
• Biochemical filtration chamber — establishes and sustains beneficial bacteria colonies
no extra purchases needed
Air Stone 4.7 Inch Dome Diffuser for Fish Tank Aquarium Air Pump 101-150 Gallon These filters allow you toMAIN PRODUCT FEATURES: HEALTHIER WATER: This air stone works to create bubbles that will help to oxygenate and filter your water. It will help circulate the water in your tank and create a healthier environment for your aquariums fish and plants. PERFECTLY SIZED BUBBLES: These air stones are made from a quality carborundum material that promotes high density, uniform, more delicate bubbles. These beneficial bubbles are perfect for any aquarium