Designed specifically for the Fluval 406/407 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
- Convenient 2-pack format
For filter models: 404, 405, 406
For freshwater and marine environments