Penn Plax Cascade Canister Filter Bio-Floss replacement pads help trap floating particle matter, keeping your aquarium water crystal clear. Replacement is simple and convenient to keep your filter cleaning.
- Poly fiber floss pad traps floating particulate matter
- Convenient, no fuss replacement floss pads
- Fits Cascade Canister Filters
Specifications: Replacement pads for Cascade 700 & 1000 Canister Filters only. Replacement pads for other models are also available.