- Bio Foam pads provide great mechanical and biological filtration due to their pore structure
- These pads trap small particles that are not retained by the first phase of foam filtration
- The shape of these Bio Foam pads provide plenty of surface area for good bacteria to grow, providing essential biological filtration
What you need to know:
- 1 x Fluval Bio Foam (2pcs) for FX4/FX5/FX6
- For use in the Fluval Fx4/FX5/FX6 cannister filters
- Promotes both mechanical and biological filtration
- Suitable for use in both freshwater and saltwater systems