Designed specifically for the Fluval FX4, FX5 and FX6 performance canister filters, 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
- For use in freshwater or saltwater aquariums
- Convenient 3-pack format