... carbon filter cloth Filter sponge including air filter sponge,activated carbon filter sponge,air filter sponge,air-condition filter sponge,aquarium filter sponge,ceramic filter sponge and so ... in filtering,dustproofing,dedusting and adsorbing,etc.Filter sponge also named reticulation sponge,blasting sponge.Filter sponge is made of ordinary open cell through ...