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81-F931RK-LV Cal kit, fixed, 34L cyl 50% LEL Isobutane in N2, 34L cyl 50 ppm Carbon Monoxide/50% LEL Methane/12% Oxygen in N2, reg with gauge & knob, cal cup, screwdriver, case & tubing |
81-F931RK-LV Cal kit, fixed, 34L cyl 50% LEL Isobutane in N2, 34L cyl 50 ppm Carbon Monoxide/50% LEL Methane/12% Oxygen in N2, reg with gauge & knob, cal cup, screwdriver, case & tubing |