Fluval Bio-Foam 206/207 - 306/307 Filter Block

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
• For filter models: 204, 205, 206, 304, 305, 306
• For freshwater and marine environments