Calibration Gas, Hydrogen Sulfide (H2S) 25 ppm, Carbon Monoxide (CO) 100 ppm, Pentane 25% LEL, Oxygen (O2) 18%, Bal. Nitrogen, 58 Liter.

Standard mix for all Industrial Scientific 4-gas monitors.  Aluminum canister uses C-10 regulator.  Hazmat packaging required for shipment.

25 ppm Hydrogen Sulfide (H2S)

100 ppm Carbon Monoxide (CO)

25% LEL Pentane

8% Oxygen (O2)

Balance Nitrogen

58 Liter Aluminum Cylinder

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