GASCO 421: 100 PPM Carbon Monoxide 50% LEL Methane 25 PPM Hydrogen Sulfide 18% Oxygen in Nitrogen 58 Liter Cylinder
$166.00
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Product Description 100 PPM Carbon Monoxide 2.5% CH4 (50% LEL) Methane 25 PPM Hydrogen Sulfide 18% Oxygen in Nitrogen Contained in an Aluminum Cylinder Cylinder connection C-10 5/8"-18 UNF Calibration Certificate NIST Made in the USA Select Cylinder Size
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