Description
Marina PolyWool 40 Gms
Designed to effectively trap fine particles, Marina Polywool filter material keeps aquarium water clear and prevents filter clogging. Suitable for fresh or salt water aquariums, this non-toxic media polishes water and makes it ultra clear. Ideal for use in clip-on, canister and corner filters.
Average quality for that price
Its very good product, clear the water very fast, even fine partical get stuck in it.