Zoo Med 501 Filter Mechanical Filter Sponge

The Zoo Med 501 Filter Mechanical Filter Sponge is the first line of defense in removing dirt and floating debris from your terrarium or aquarium. This filter sponge is designed for use with the Zoo Med Turtle Clean 15 External Canister Filter Media Activated Carbon Insert Aquatic Turtle Tank Filter (sold separately). The long-lasting design is easy to clean and reusable.