This premium quality bio sponge is custom designed and manufactured for Penn-Plax Cascade 700 / 1000 Canister Filters. The dense foam pad encourages beneficial bacteria growth while removing particles from your aquarium. Each package contains two bio-sponge filter pads.
Optimizes colonization of beneficial aerobic bacteria
Removes ammonia and nitrites, keeping the aquarium healthy
Convenient, no fuss, replacement sponge
Each purchase is for a package of two bio sponge filter pads
We bulk package this product to save our environment and to save you money
