Penn-Plax Cascade 500 Bio Sponge Replacement Part# CCF129

Penn-Plax Cascade 500 Bio Sponge Replacement Part# CCF129

This filter sponge is designed to be used in the Cascade 500 model. It can help optimize the colonization of beneficial aerobic bacteria while removing nitrites and ammonia, keeping your tank free from unpleasant odor and grime.

Box contains one filter