WatchGas SST1 Serviceable CO ppm Gas Detector SST1-M FR Coveralls With the 2-year BW Clip

With the 2-year BW Clip for SO2

313M6491H-ON - Hi-Vis Orange

the unit includes a #45 pulley

and easily attaches to the 3M 6000 and 7500 Series masks

Nitrogen dioxide (NO2)

WatchGas SST1 Serviceable CO ppm Gas Detector SST1-M FR Coveralls With the 2-year BW ClipCarbon monoxide has no smell, no color, and no immediate irritation. The first symptom is usually a mild headache an hour or two after exposure that has already exceeded OSHA's 8 hour permissible limit. Workers around indoor combustion propane forklifts in warehouse and distribution centers, boiler rooms, service garages, small equipment shops, indoor generators breathe air that looks and smells completely normal while CO concentrations climb through