Cascade Bio-Sponge Canister Filter Insert for Cascade 700 & 1000 Canister Filter

Product Overview

The Replacement Cascade Bio-Sponge for the Cascade Internal Filter optimizes colonization of beneficial aerobic bacteria and removes ammonia and nitrites.

  • Quick & Easy to replace.
  • Convenient - no fuss replacement sponge.
  • Replace monthly for optimum water quality.

Penn-Plax
Penn-Plax is a great company that makes a spectacular variety of products for all kinds of pets including small animals, dogs, cats, reptiles, birds and aquarium fish at affordable prices! Our selection consists of mainly their superior aquarium filtration products and aquarium decorations. Check out the selection below!