RKI H2S 25 ppm / CO 100 ppm / CH4 50% LEL / O2 18% in N2 58AL Calibration Cylinder Part# 81-0137RK-02 HDPE Bailer RKI Demand Flow Regulator Model
Yard notes & kiln story
Description
RKI H2S 25 ppm CO 100 ppm CH4 50% LEL O2 18% in N2 58AL Calibration Cylinder Part# 81 0137RK 02 HDPE Bailer RKI Demand Flow Regulator Model RKI Demand Flow Regulator Model 2004 Part# 81 1054RK especially under negative pressure