3M M- Series Respirator Helmet
3M M- Series Respirator Helmet, Mode of Operation: Air-Fed, Standards Met: ANSI Z87.1-2010, ANSI Z89.1-2009, OSHA APF 25, Head Cover Impact Protection: Yes, Air-Fed Nominal Protection Factor: 50, 200, 500, Series: M-Series, MPN: M-307