TEWUB Good Permeability Hanging Home for Aquarium Sponge Filter Pet Supplies Bio-Sponge Filter Fish Tank Accessory

Package Included: 1 pcs Biochemical Sponge FilterSize: as pictureColor: BlackProduct name: Aquarium Sponge FilterModel Number: as pictureFeatures:--Biochemical sponge filter provides biological filtration to the aquarium, helps to stable water quality.--Increase the oxygen solubility.--Working noiselessly.--Good permeability, easy to clean.--Adhere smooth surface with suction cup.--Perfect filters accessories for your tank and aquarium.Reminder:1. Soak the sponge in the aquarium water for 5 minutes before use, by doing this will help nitrifying bateria colonise easier.2. Always use aquarium water under room temperature to rinse clean the sponge, never use hot water.3. It must be used through connecting the air pump.