Item Type: Filter Material: PVC Power: 3.5W Flow Rate: 300L/H Plug Type: EU Plug Voltage: 220V1After the pump is powered off, the water in the container will flow back along with the pipe, so that there is water in the container, which will help the pump to refill again. 2Built?in water filtration system, integrated mechanical, chemical and biological filtration functions, effectively eliminate toxins in the water and ensure clear water quality. 3The professional circulatory system design makes the water surface of the ecological tank to be turned, which helps release the carbon dioxide in the water. 4Comprehensive integration of water pump and water filter system, this filter can dissolve the oxygen in the air into the water to provide enough oxygen in the fish tank. 5Fast assembly and easy operation; the adjustable flow knob allows for increased or decreased water flow at will, which is extremely helpful during feeding times, or use it as needed. 1 x Filter 1 x Upper Cover 1 x Filter Sponge 1 x Position Adjustment Button 1 x Flow Switch 1 x Degreasing Film 1 x Degreasing Film Connector 1 x Elbow 1 x Flower Basket 1 x Tee 3 x Connecting Pipe 1 x Accessories