Designed specifically for the FX2 canister filter, this foam pad features a special rippled surface for effective 2-in-1 mechanical and biological filtration.

Features of Fluval Bio-Max Foam Pads

• Mechanical/Biological filter media
• Rippled pattern offers 30% more surface area than traditional flat foam
• Effectively traps large debris
• Complex foam structure maintains consistent water flow and promotes beneficial bacteria growth
• For use in freshwater or saltwater aquariums
• Convenient 2-pack format