Item Type: Fish Tank Filter Material: Plastic1Universal to Use: Aquarium filter is equipped with retractable filter box shelf plate, suitable for more than 95 percent of fish tanks on the market. 2Bottom Filter: Aquarium filter is designed with a filter net at the bottom to prevent small fish from getting into the filter and dying. 3Promote Water Circulation: Fish tank filter can promote water circulation and even water flow, which is beneficial to biochemical and physical filtration effect. 4Corrugated Water Pipe: The fish tank filter has soft and flexible water pipe, and the corrugated water pipe is easier to be placed. 5Premium Material: Fish tank filter is made of high toughness environmental protection plastic material, strong toughness and long service life. 1 xFish&nbspTank&nbspFilter&nbsp&nbsp&nbsp