MSA 34 Liter Econo-Cal Aluminum Cylinder 40 PPM Hydrogen Sulfide Balance Nitrogen Reactive Calibration Gas For Sirius¨ Multi-Gas Detector

Econo-Cal¨ Calibration Cylinder. Cylinder contains 40ppm hydrogen sulfide in nitrogen. Contents are at 500psig, and the aluminum cylinders measure 13-3/4" x 3". The Econo-Cal¨ weights 1 lb. 1 oz. and contains approximately 34 liters at atmospheric pressure. Reactive gases have an expiration date listed on each cylinder.