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Industrial Scientific 1810-9177 Calibration Gas: 50% LEL Propane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

Industrial Scientific 1810-9177 Calibration Gas: 50% LEL Propane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

$199.95
Industrial Scientific 1810-9178 Calibration Gas: 25% LEL Pentane, 18% Oxygen, 100 ppm Carbon Monoxide, 5 ppm Nitrogen Dioxide, Balance Nitrogen

Industrial Scientific 1810-9178 Calibration Gas: 25% LEL Pentane, 18% Oxygen, 100 ppm Carbon Monoxide, 5 ppm Nitrogen Dioxide, Balance Nitrogen

$199.95
Industrial Scientific 1810-9179 Calibration Gas: 25% LEL Pentane, 18% Oxygen, 25 ppm Hydrogen Sulfide, 5 ppm Sulfur Dioxide, Balance Nitrogen

Industrial Scientific 1810-9179 Calibration Gas: 25% LEL Pentane, 18% Oxygen, 25 ppm Hydrogen Sulfide, 5 ppm Sulfur Dioxide, Balance Nitrogen

$199.95
Industrial Scientific 1810-9180 Calibration Gas: 25% LEL Pentane, 18% Oxygen, 25 ppm Hydrogen Sulfide, Balance Nitrogen

Industrial Scientific 1810-9180 Calibration Gas: 25% LEL Pentane, 18% Oxygen, 25 ppm Hydrogen Sulfide, Balance Nitrogen

$199.95
Industrial Scientific 1810-9181 Calibration Gas: 25% LEL Pentane, 18% Oxygen, 200 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

Industrial Scientific 1810-9181 Calibration Gas: 25% LEL Pentane, 18% Oxygen, 200 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

$199.95
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 1810-9190 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
Lumidor GFV279 Calibration Gas: 50% LEL Methane, 19% Oxygen, 50 ppm Carbon Monoxide, 10 ppm Sulfur Dioxide, Balance Nitrogen

Lumidor GFV279 Calibration Gas: 50% LEL Methane, 19% Oxygen, 50 ppm Carbon Monoxide, 10 ppm Sulfur Dioxide, Balance Nitrogen

$169.95
MSA 10007047 Calibration Gas: 0.35% vol. Pentane, 19% Oxygen, 100 ppm Carbon Monoxide, Balance Nitrogen

MSA 10007047 Calibration Gas: 0.35% vol. Pentane, 19% Oxygen, 100 ppm Carbon Monoxide, Balance Nitrogen

$119.95
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