Fluval AquaClear Foam 20, 30, 50, 70, 110
AquaClear Foam Filter Insert is a mechanical filter media that effectively removes particles and debris from aquarium water. It also prevents particulate waste from prematurely clogging other media in the filter. Primarily a mechanical filtration media, it also provides powerful biological filtration as friendly bacteria eventually grow inside its pore structure. The Foam Filter is safe for fresh and saltwater aquariums. Single pack.