The BIO sponge filter provides biological filtration to the aquarium, contributes to stable water quality and increases oxygen solubility, which enables a cleaner living environment for your fish. Features: 10 layer 10 layer design sponge filter also provides mechanical and biological filtration, air infusion chamber produces tiny bubbles which increase oxygen solubility. Easy to set up, just install an airline in the device and turn on the air pump. Easy to erase, simply rinse and squeeze the sponge into the reservoir water. Work quietly. Adhere to smooth surface with suction cup. Perfect filter accessories for your aquariums and tank. Recommended tank size up to 55 gallons, suitable for small fish, as the filter produces minimal current and has almost no way to suck fish through the filter. Specifications: Material: plastic + sponge The color black Item size: 9.5 * 6.5 * 2.4in Package weight: 170g / 6nces Package size: 240 * 160 * 60mm / 9.45 * 6.3 * 2.36in Packing list: 1 * bio
