The bio sponge filter provides biological filtration to the aquarium, helps to stable water quality and increase the oxygen solubility, resulting in a cleaner living environment for your fish. Features: Double 10-layer design sponge filter provides both mechanical and biological filtration, also, the air infusion chamber produces minute bubbles which increase the oxygen solubility. Easy to set up, simply install an airline into the unit and turn on the air pump. Easy to clear, simply rinse and squeeze sponge in tank water. Working noiselessly. Adhere smooth surface with suction cup. Perfect filters accessories for your aquariums and tank. Recommended tank size up to 55 gallon, suitable for small size fish, as the filter produces minimal current and has almost no way to suck the fish through the filter. Specifications: Material: Plastic + Sponge Color: Black Item Size: 9.5 * 6.5 * 2.4in Package Weight: 170g / 6ounces Package Size: 240 * 160 * 60mm / 9.45 * 6.3 * 2.36in Packing List: 1
