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Industrial Scientific 1810-9182 Calibration Gas: 25% LEL Pentane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, 2.5% Carbon Dioxide, Balance Nitrogen

Industrial Scientific 1810-9182 Calibration Gas: 25% LEL Pentane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, 2.5% Carbon Dioxide, Balance Nitrogen

$199.95
Industrial Scientific 1810-9183 Calibration Gas: 50% LEL Methane, 18% Oxygen, 250 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

Industrial Scientific 1810-9183 Calibration Gas: 50% LEL Methane, 18% Oxygen, 250 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

$199.95
Industrial Scientific 1810-9184 Calibration Gas: 2.5% vol. Methane, 18% Oxygen, 100 ppm Carbon Monoxide, 5 ppm Nitrogen Dioxide, Balance Nitrogen

Industrial Scientific 1810-9184 Calibration Gas: 2.5% vol. Methane, 18% Oxygen, 100 ppm Carbon Monoxide, 5 ppm Nitrogen Dioxide, Balance Nitrogen

$199.95
Industrial Scientific 1810-9185 Calibration Gas: 40% LEL Methane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, 2.5% Carbon Dioxide, Balance Nitrogen

Industrial Scientific 1810-9185 Calibration Gas: 40% LEL Methane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, 2.5% Carbon Dioxide, Balance Nitrogen

$199.95
Industrial Scientific 1810-9188 Calibration Gas: 50% LEL Propane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

Industrial Scientific 1810-9188 Calibration Gas: 50% LEL Propane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

$359.95
Industrial Scientific 1810-9189 Oxygen Calibration Gas - 18% vol. (O2)

Industrial Scientific 1810-9189 Oxygen Calibration Gas - 18% vol. (O2)

$64.95
Industrial Scientific 1810-9190 Calibration Gas: 25% LEL Pentane, 18% Oxygen, 100 ppm Carbon Monoxide, Balance Nitrogen

Industrial Scientific 1810-9190 Calibration Gas: 25% LEL Pentane, 18% Oxygen, 100 ppm Carbon Monoxide, Balance Nitrogen

$64.95
Industrial Scientific 1810-9191 Calibration Gas: 25% LEL Pentane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

Industrial Scientific 1810-9191 Calibration Gas: 25% LEL Pentane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

$169.95
Industrial Scientific 1810-9192 Calibration Gas: 50% LEL Methane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

Industrial Scientific 1810-9192 Calibration Gas: 50% LEL Methane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

$169.95
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