Product details
Specifically designed for the unique Oase BioMaster Pre-Filter system, the Pre-Filter foams effectively remove debris prior to water entering the main body of the External Filter, thus reducing filter maintenance.
-Genuine Oase Pre-Filter foams for the Oase BioMaster Filters
-30 PPI - coarse grade
-Easy to replace
-Suitable for BioMaster 250, BioMaster 350, BioMaster 600, BioMaster 850, BioMaster Thermo 250, BioMaster Thermo 350, BioMaster Thermo 600, BioMaster Thermo 850