Designed specifically for the 407 and 406 performance canister filters, Fluval Bio-Foam Max is a 2-in-1 biological and mechanical media that features a rippled surface pattern offering up to 30% more area for effective filtering of waste and debris.

Features:

• Premium Biological and Mechanical filtration
• Rippled surface pattern offers 30% more area to efficiently trap waste and debris
• Prevents premature clogging extending life of subsequent filter media
• Complex foam construction helps maintain even and consistent water flow
• Ideal surface for growth of beneficial, nitrifying bacteria
• Custom fit with no gaps to maximize filtration efficiency
• Convenient 2-pack format
• Replace every 6 months
• For use in freshwater and saltwater aquariums