Features: Filter sponge makes water clean, removes odors; waterfall running increases the content of oxygen in the water. With double-layer filter cotton, you can add other filter material according to feed density and type. Suitable for water level 2.5-10cm, the hook and suction cups can adjust easily to the high or low base according to water level. Made of high-quality, sturdy plastic, non-toxic, safe for you and your fish. Ultra-quiet running provides your pets with comfortable habitats. Designed for use in small fish and turtle tank, really not for big fish tank. Specifications: Item name: Internal aquarium filter Material: Plastic Color: White Voltage: 220V-240V (EU); 110V-120V (US) Power: 3W Flux: 200L/H Head: 0.6 M Package information: Package weight: 260g Package size: 18*10*6cm Package List: 1*Internal aquarium filter