Bio Sponge Filter for Aquarium Fish Tank Shrimp Pond Air Pump Biochemical Ball Filtration Noiseless

Biochemical sponge filter provides biological filtration to the aquarium, helps to stable water quality. Increase the oxygen solubility in water. Working noiselessly. Good permeability, easy to clean. Perfect filters accessories for your tank and aquarium. If the filter is without filter balls, it may float on the water. So filter with balls is recommended.