3M M-305 Polycarbonate Respiratory Hardhat Assembly For 3M Versaflo M-100, V Series And TR-300 Full Face Respirator With Standard Visor and Faceseal (1 Per Case) (1/CA) MRO & Plant Maintenance They are battery-operated to allow

They are battery-operated to allow workers to move freely without airlines or cords that restrict movement

Internal vibrating alarm and sensor

The user can move the rope grab up or down the lifeline easily

CSA and CE - so the device can be used anywhere in the world

3M M-305 Polycarbonate Respiratory Hardhat Assembly For 3M Versaflo M-100, V Series And TR-300 Full Face Respirator With Standard Visor and Faceseal (1 Per Case) (1/CA) MRO & Plant Maintenance They are battery-operated to allowThe M 305 assembly includes a M 925 Visor and M 935 Faceseal. The M 925 visor is made of polycarbonate. The M 935 faceseal is appropriate for general purpose use. Used with an approved air source, M 300 Series hardhats provide respiratory (OSHA APF=25) and limited head (ANSI Z89. 1 2003 Type 1 Class G) and eye (ANSI Z87. 1 2010) protection. The M 305 assembly includes a standard visor and standard faceseal.