Penn-Plax Cascade 500 Canister Filter Replacement Impeller (CCF115)

Penn-Plax Cascade 500 Canister Filter Replacement Impeller Retainer O-Ring (CCF118)

4 LUFFY Marimo Moss Balls - Aesthetically Beautiful & Create Healthy Environment - Eco-Friendly, Low Maintenance & Curbs Algae Growth - Shrimps & Snails Love Them

Penn Plax Cascade 500/350 GPH Canister Filter Aquarium Bio Sponge Replacement; 1 Pack

Penn Plax Pro-Carb Filter Bags for All Canister Filters – Filled with Activated Carbon for Clean Aquarium Water – 8 Ounces, 2 Pack

Cascade 500 Canister Filter Parts F. Gasket by Penn-Plax

Penn Plax Cascade Nylon Filter with Biological Ceramic Rings

Penn Plax CCF131 Cascade 500 GPH Floss Pads, 6-Pack

Penn Plax Cascade 500 GPH Canister Filter