Filter Sponge XY-1818 / XY-1819 / XY-1820
Aquarium filter /bio-filter/color sponge/filter sponge
The polyurethane foam filter has different mesh,with high resilient ,many colors and good air pemeability. It is durable in water.
wildly use in filter industrial and cleaning, This kind of sponge filter use super filter sponge as filter material. also use in aquarium filtration purpose