AquaClear 30 Foam Filter Insert - High Efficiency Fish Tank Filter Media for Aquarium Cleaning | Perfect for Freshwater & Saltwater Tanks, Pond Filters, and Aquatic Habitats

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. Exclusively designed for the AquaClear Power Filter, the Foam Filter is safe for fresh and saltwater aquariums.