Designed specifically for the 407 and 406 performance canister filters, 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.
  Key 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