Gasco 58L-409 50ppm Carbon Monoxide, 2.5% Methane, 25ppm H2S, 12% Oxygen/Nitrogen Balance, 58 Liter, 1 Each HazMat Gear High Efficiency Particulates) Filter

High Efficiency Particulates) Filter

the mask is also made transparent

and the effects of intense light from MIG

improving on-the-job focus

and particulate defense in demanding work environments

Gasco 58L-409 50ppm Carbon Monoxide, 2.5% Methane, 25ppm H2S, 12% Oxygen/Nitrogen Balance, 58 Liter, 1 Each HazMat Gear High Efficiency Particulates) FilterGasco 58L 409 50ppm Carbon Monoxide, 2. 5% Methane, 25ppm H2S, 12% Oxygen Nitrogen Balance, 58 Liter, 1 Each The Gasco 58L 409 50ppm Carbon Monoxide, 2. 5% Methane, 25ppm H2S, 12% Oxygen Nitrogen Balance, 58 Liter is a precision calibration gas used to calibrate sensors in gas detection equipment for environmental emissions monitoring, industrial hygiene monitors, and trace impurity analyzers. It is fully compatible with all manufacturers' calibration