Penn-PlaxCascade 1200/1500 GPH Canister Filter Aquarium Bio Sponge Replacement; 1 Pack

Penn-Plax Cascade 1200/1500 GPH Canister Filter Aquarium Bio Sponge Replacement; 1 Pack

Penn-Plax Cascade Bio-Floss Replacement Poly Fiber Floss Pads for Cascade 1200 & 1500 Canister Aquarium Filters – 6 Pack, White (CCF331)

Penn-Plax Cascade 8 Oz Pro-C Mixed Aquarium Canister Filter Media Bag – 2-Pack