![Portagas - Carbon Monoxide - 60 ppm, Methane - 1.45%, Oxygen - 15% Calibration Gas - Includes Prepaid Return Shipping Label - Exact Industrial Supply](http://exactindustrialsupply.com/cdn/shop/products/5417076-21_1024x1024.jpg?v=1586301397)
Portagas - Carbon Monoxide - 60 ppm, Methane - 1.45%, Oxygen - 15% Calibration Gas - Includes Prepaid Return Shipping Label
2% Off All Online Orders
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2% Off All Online Orders
Use Code: 2%OFF
Best Price Guarantee - Email Us A Better Published Price and We'll Beat It