Pack include: 6pcs.
Custom designed and manufactured for Cascade 700 Model CCF2UL and Cascade 1000 Model CCF3UL canister filters.
The bio sponge filter optimizes the colonization of beneficial aerobic bacteriass which keeps the water fresh and clean to provide a better quality of living for your fish.
Provide efficient water flow with less clogging for long lasting filtration.
Safe, washable and reusable. Easy to replace.