
***** Please note that the image is a generic image of a bottle of gas*****
Calibration Gas for Industrial Scientific Gas Monitors (Standard 4 Gas Monitors) with CARD Reader
Concentration: 18% O2, 25 ppm H2S, 100 ppm CO and .35% Pentane (25% LEL)
Size: Select from 34 Liter, 58 Liter, 116 Liter Size Bottle
Shelf Life: 24 Months