GASCO 421: 100 PPM Carbon Monoxide 50% LEL Methane 25 PPM Hydrogen Sulfide 18% Oxygen in Nitrogen 58 Liter Cylinder Size:116 Liter Power lug outsole powered by

Power lug outsole powered by a multi tread design provides exceptional comfort and slip resistance

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GASCO 421: 100 PPM Carbon Monoxide 50% LEL Methane 25 PPM Hydrogen Sulfide 18% Oxygen in Nitrogen 58 Liter Cylinder Size:116 Liter Power lug outsole powered byProduct 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