Description
large air operated filter sponge. Super Biochemical sponge filters with airlift system, sponge filter features silent operation, and as an excellent filtering effect while oxyagenating the water. the social developed foam materials supports the colonization of bacteria, allowing for mechanical filtration in addition to biological filtration which will break down harmful waste, ammonia and nitrite material, resulting in a cleaner living environment for your fish, particular they are useful for as breeding filter or as econdary filter.
