Yuntop 6Pcs Pre-Filter Sponge, Pre Filter Foam Sponge Roll For Aquarium Fish Tank (8 X 4Cm /3.1X1.6 Inch)

Made of high-quality mesh filter sponge a cylinder with a length of 3.1 inches and a diameter of 1.57 inches with a single-hole design. Perfect material: The aquarium filter is made of high-quality filter foam fluorine-free safe; corrosion resistance low flow resistance strong filtration not easy to deform and durable. Sponge hole design: The uniform and parallel micro-hole design makes the water flow more smooth reduces clogging better captures the debris and impurities generated in the fish tank and effectively extends the use time of the filter. Fish tank filter accessories: Filter Foam Sponge Roll can effectively prevent debris and small fish from being sucked into the filter providing a safe and clean living environment for the fish. Scope of use: inside fish tanks swimming pools turtle tanks glass containers etc.