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81-F404RK-LV Cal kit, fixed, 34L cyl 2,000 ppm Carbon Dioxide in N2, 34L cyl 100% N2, reg with gauge & knob, cal cup for IR 3/4? NPT sensor, case & tubing |
81-F404RK-LV Cal kit, fixed, 34L cyl 2,000 ppm Carbon Dioxide in N2, 34L cyl 100% N2, reg with gauge & knob, cal cup for IR 3/4? NPT sensor, case & tubing |