This kit is a part of the 3M Ratchet Suspension W-2879. It attaches to and can be used to adjust the size of the 3M Head Suspension W-2878 used in 3M Helmets and Hoods.
3M Powered & Supplied Air Breathing Tubes are part of a NIOSH-approved respiratory system3M Powered & Supplied Air Breathing Tubes connects the air source with the headtop and ensures clean...