The portable aquarium sponge filter is made of plastic, easy to install and quiet in operation. The sponge filter captures floating debris and protects your fish from being sucked into the small filter of the fish tank. Suction cup design, strong suction, can be installed anywhere on the glass of the fish tank. Just install a small filter for the fish tank to connect this filter, provide filtration, which is a good way to clean and oxygenate the water tank. Funnel air outlet, filter sponge. Note: This biological filter must be used with an air pump. At the same time, please be careful not to use an oversized air pump to avoid uneven mixing of water and air. The sponge filter for the fish tank can be installed anywhere, which is very suitable for shrimp tanks, tanks, breeder tanks, turtle tanks, goldfish, minnows, crayfish, fish or other fish. It is recommended to clean the small sponge regularly. In order to better clean the fish tank. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC 220V Colour:As Shown Material:Plastic Package Contents: 2 * Fish tank filter kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.