Features: This product is a low water level filter suitable for aquatic type, swamp type and other low water level reservoirs and other breeding reservoirs, and three-dimensional landscape design of filtration of small, low-density aquariums. Waterfall air oxygenation filter, can adjust water level according to demand and improve dissolved oxygen. With dual layer filter cotton, additional filter media can be added depending on the density and type of feed. Strong power and trouble-free operation. Applicable voltage: AC220~240V Power: 3w Bitrate: 200L*H