Designed specifically for the Fluval 206/207-306/307 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
206/306, 207/307 Bio-Foam previously known as “Foam Filter Block”