RKI Instruments H2S/CO/Isobutane 50% LEL/O2 81-0158RK-04 Limited Life Multi Gas Monitors Highest cut resistance achieving ANSI

Highest cut resistance achieving ANSI A9 cut level

9in: Easily cuts clothing or other materials during emergency prep

71557 (replaces 71556) - Replacement Bladder for 750 ml Dispenser 71558

All contact zones use contoured foam and are lined with breathable material

If your SST4-MICRO has been used in an environment with silicone or sulfur exposure and the LEL channel is showing drift

RKI Instruments H2S/CO/Isobutane 50% LEL/O2 81-0158RK-04 Limited Life Multi Gas Monitors Highest cut resistance achieving ANSIRKI Instruments H2S CO Isobutane 50% LEL O2 Calibration Gas Mixture Premium calibration gas blend designed for multi gas detector testing and verification. This 34 liter aluminum cylinder contains a precisely formulated mixture: H2S 25 ppm, CO 50 ppm, isobutane 50% LEL, and O2 12% in nitrogen. Ideal for maintaining accuracy and compliance in safety monitoring equipment. Perfect for technicians and safety professionals who need reliable, traceable