Prosponge 30 Biofilter

Deep Blue Professional - ProSponge System 30 BioFilter. Deep Blue ProSponge BioFilters are the new standard for air-driven biological and mechanical filtration in professional aquarium applications. The premium sponge media is durable, long-lasting, easy to clean while providing superior surface area for the propagation and growth of beneficial bacteria. for aquariums up to 40 gallons