Features: 1.[Oxygenation Function] Oxygen is very important for fish, internal fish tank Filter also provides oxygenation function to increase the oxygen supply in the tank. 2.[Waterproof Design] Aquarium filters comes with a sealed motor, which is completely waterproof and can be submerged in water without leakage to ensure safety. 3.[3 Layer Filtration] In tank filter comes with coarse sponge, filter ring and bacteria ball, 3 levels of filtration, coarse sponge can filter out large size impurities, such as food residue, fish feces, plant leaves, etc. 4.[Strong Suction Cups] The fish tank oxygenation filter has strong suction cups, which can be firmly fixed on the fish tank and aquarium wall, not easy to slip off. 5.[Safe and Durable] The fish tank filter is made of high grade plastic shell, strong and stable, not afraid of any external damage and chemical corrosion, safe and reliable. Specification: Item Type: Aquarium Filters_x000D_ Material: Plastic_x000D_ Use: Fish Tank Oxygenation Filter _x000D_ Plug Specifications, Voltage: UK Plug 220V PackageList: 1 x Filter Pump 3 x Suction Cup 1 x Accessories 1 x Fixed Clips 1 x Hose Note Manual measurement, please allow slight error