Respiratory Filter for Half Mask POLIMASK 330 and Full Face Mask C 607 / Selecta
With standard thread connection DIN EN 148-1.
|* Untreated filters showed a growth of microbial strains both in new and, more abundantly, in used filters. BIOSTOP antimicrobial treated filters gave only a slight evidence of fungal colonisation. With dolomite clogging test.|