Brand
MSA
Description
MSA 58L Quad Calibration gas certified to be prepared gravimetrically, using NIST traceable weights. The lot number and nominal value of the gas constituents in volume, percent by mass, PPM, or volume is specified on the cylinder. GAS, 58L,1.45% CH4,15% O2, 60 PPM CO, 20 PPM H2S.