Fluval Bio-Foam Filter Block Fits 206/207 306/307 2 pk

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