Calibration Gas for RKI Instruments Multigas Monitors

 ***** Please note that the image is a generic image of a bottle of gas*****

Calibration Gas for ALL RKI Instruments 4 Gas Monitors Portable Gas Monitors.

Size:  Chose from 34, 58 or 116 Liter Size Refillable Bottles  

Concentration:  12% O2, 25 ppm H2S, 50 ppm CO and 50% LEL Methane (2.5% Vol)

Shelf Life:  24 Months

***** Please note that we use two different suppliers of calibration gas, so the case may be different, and bottle may be a different color than the images listed *****