Hemobllo Aquarium Filter Media Filter Pad, Biochemical Filter Cotton Foam Thicken Sponge Roll, Fish Tank Filter Pad Cut to Fit Most Fish Tank Water Cleaning Supplies (200cm x 12cm)

【HIGH QUALITY】Made of new thickened Cotton material with good water absorption and high breathability. 【Function】Filter cotton can effectively avoid residues, reduce the mortality of fish and chemical filtration, and increase the oxygen solubility of the aquarium. 【Reusable】Strong filtration, can improve the of filtration cycle, give fish a fresh environment, and can be used repeatedly after cleaning. 【Suitable for most fish tanks】The fish tank filter biochemical cotton can be cut to any size according to your own needs. 【Application】Suitable for seawater tanks, freshwater tanks, aquatic plants, etc. a great fish tank and aquarium filter cotton, providing good living conditions for fish.