Fluval Bio-Foam captures large particles and debris for effective mechanical filtration.
Mechanical filter media
Custom fit to prevent debris bypass
Ideal pore size allows efficient water flow and longer media lifespan
Enhances the biological filtration process
Designed specifically for the Fluval FX4, FX5 and FX6 performance canister filters, Bio-Foam captures large particles and debris for effective mechanical filtration. (3pack)