MSA 34 Liter Style Econo-Cal Aluminum Cylinder 1.45% Methane, 1300 PPM Carbon Monoxide 5% Oxygen, 10PPM Hydrogen Sulfide Balance Nitrogen Reactive Calibration Gas For Sirius Multi-Gas DetectorEcono-Cal Calibration Cylinder. Combination gas cylinder contain 1.45% methane, 1300ppm carbon monoxide, 5% oxygen and 10ppm 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.
GAS CALIBRATION CYLINDER
COMBINATION 300 PPM CARBON