Hagen Fluval U Filter Biomax 110g #A-495

Fluval Biomax Bio Rings have a complex pore system creating an optimal environment where beneficial bacteria can thrive.

Features:

• Reduces and controls ammonia and nitrate
• Allows ideal water movement throughout the media, to ensure optimal contact time for efficient biological filtration
• For freshwater and marine environments
• For use with Fluval U2, U3 and U4 Underwater Filters