8D Aquarium Filter Media 8 Layer Filter Pads Bio Sponge Foam for Fish Tank Pond

This aquarium filter pad is designed to filter impurities and dirt in the water, keeping the aquarium look clean and clear. The filter pad is washable and reusable, easy to maintain. - Freely cut: You can cut the filter pad into the size you need, no need to worry about performance weakening or deformation after cut.

eBay