OASE BioTec – Replacement Sponge (2 Blue Sponges)

Replacement sponge for OASE BioTec filters . Maintains a high bacterial settlement surface and restores the filter's mechanical efficiency.

• Controlled porosity material to retain fine particles
• Easy replacement: recommended in rotation to avoid destroying the biomass
• Compatible with the OASE BioTec series

This kit contains the two blue sponges.