Oase BioMaster Prefilter Foams (Orange)
Oase BioMaster Prefilter Foams (Orange) 30ppi (Red) course foam BioMaster prefilter foam sets come in 4 or 6 pack. Guide: BioMaster 250 - 4 foam - 4set BioMaster 300 - 5 foam - 6set BioMaster 600 - 6 foam - 6 set from factory the foam is 45ppi (blue) if...
