34L - Calibration Gas for 4 Gas Monitor 25ppm H2S, 100ppm CO, 50% LEL, 18% O2 Arc Rated Face Shield Compressed bags are stackable and

Compressed bags are stackable and easy to handle

EPS foam liner provides front

PIP® Dynamic™

Seven-button front closure

Plated alloy steel D-ring with plated stainless steel bracket

34L - Calibration Gas for 4 Gas Monitor 25ppm H2S, 100ppm CO, 50% LEL, 18% O2 Arc Rated Face Shield Compressed bags are stackable andCalibration Gas with Gas Concentrations Supplynow offers calibration gas for a variety of gas concentrations. Our 58L canisters of calibration gas offer great value and accuracy. Calibrate your monitors with confidence knowing Supplynow calibration gas is tested and comes with a lab certificate of analysis for every batch. This calibration gas contacts the concentration values typically found on the drager confined space monitors: 25ppm H2S 100ppm CO