Portable Aquarium Pneumatic Filter Accessories Mini Internal Purifier Fish Tank Mini Multi Layer Power Filter For Increase Oxygen Clean Water Air Pump Package Including: 1 x Aquarium Air-lift Filter For Air Pump Aeration Types: Air-hole or Air-stone(send at random) Material: Plastic, Sponge, Color: White Size: 10*3 cm(3.93*1.18 inch) Tube Length: 90 cm(35.4 inch) Tube Inner Diameter: 4mm Aeration Types: Air-hole or Air-stone(send at random) Tips: This filter needs to be used with an air pump. Sucker design: Easy to install a small filter for the fish tank connect this filter, provides filtration a great way to clean and oxygenate your tanks. perfect for shrimp tank, betta tank, breeder tanks, turtle tank, goldfish, discus, crayfish, fry, baby fish, or other fish. Multiple filtering Layers: Black biochemical filter sponge can retain the feed debris and fish, provide biochemical filtration by nitrified bacteria and other microorganisms. Filter aquarium while increasing oxygen, it can also filter water and keep the water clean. Easy to Clean: You can take down the sponge from the filter, easy to clean or replace it. Sponges filter traps floating debris and protect your baby fish from being sucked up into the small filter for fish tank. Mute Noise Reduction The fish tank filter is small in size, does not occupy space, and reduce noise from air pump and consume lowest wattage.