... aquarium filter spongeFilter sponge including air filter sponge,activated carbon filter sponge,air filter sponge,air-condition filter sponge,aquarium filter sponge,ceramic filter and so on,can be widely used in ... in filtering,dustproofing,dedusting and adsorbing,etc.Filter sponge also named reticulation sponge,blasting sponge.filter sponge is made ... of OriginGuangdong China(Mainland)Materialsponge,foam ...