This Fluval FX5/FX6 Bio Foam 2 Pack will help freshwater and marine environments to remain clean and healthy for the pets that live in them. These pads are compatible with Fluval FX5 and FX6 canister filters, and provide outstanding mechanical and biological filtration thanks to an intricate pore structure that offers a large surface area for the growth of helpful nitrifying bacteria. They also trap small particles that are not retained by the first stage of foam filtration.
Features: Enhances biological filtration; Effectively captures small particles and debris
Includes: FX5 and FX6 Bio Foam
Intended For: Freshwater and marine environments
Compatible With: FX5 Canister filter and FX6 Canister filter