MSA 100 Liter Cylinder 60 PPM Carbon Monoxide Balance Air Calibration Mixture
Model RP Calibration Cylinder. Combination gas cylinder contains 60ppm carbon monoxide in air. Contents are at 1000psig and measures 13-3/4" x 3". The Model RP weights 2 lb. 13 oz. and contains approximately 100 liters at atmospheric pressure. Non-reactive gases have no expiration date.