Marina Bio Media Balls (30 count) Fits Filters CF20, CF40, CF60, CF80 Part #A58

Marina Bio Media has been specially developed to provide the ideal breeding environment for beneficial bacteria. Provides a large living area for beneficial bacteria to grow and thrive. Safe for both marine and freshwater environments.

• Part# A58
• Box includes 30 media balls
• Provides large living area for beneficial bacteria
• Fresh or marine