Fluval Biomax for Fluval U2/U3/U4

Fluval® BIOMAX provides an optimal environment for the colonization and growth of beneficial bacteria. The unique bio rings have a complex pore system that provides an optimal environment where beneficial bacteria can thrive. Fluval® BIOMAX also reduces and controls ammonia and nitrate. For freshwater and marine environments.

For Fluval® U Series Underwater Filter models U2, U3, U4