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Industrial Scientific 1810-9174 Calibration Gas: 2.5% vol. Methane, 18% Oxygen, 100 ppm Carbon Monoxide, Balance Nitrogen

Industrial Scientific 1810-9174 Calibration Gas: 2.5% vol. Methane, 18% Oxygen, 100 ppm Carbon Monoxide, Balance Nitrogen

$119.95
Industrial Scientific 1810-9175 Calibration Gas: 40% LEL Methane, 18% Oxygen, 100 ppm Carbon Monoxide, Balance Nitrogen

Industrial Scientific 1810-9175 Calibration Gas: 40% LEL Methane, 18% Oxygen, 100 ppm Carbon Monoxide, Balance Nitrogen

$119.95
Industrial Scientific 1810-9176 Calibration Gas: 25% LEL Pentane, 18% Oxygen, 100 ppm Carbon Monoxide, 2.5% Carbon Dioxide, Balance Nitrogen

Industrial Scientific 1810-9176 Calibration Gas: 25% LEL Pentane, 18% Oxygen, 100 ppm Carbon Monoxide, 2.5% Carbon Dioxide, Balance Nitrogen

$119.95
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 1810-9184 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 1810-9190 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
Lumidor GFV1090 Calibration Gas: 50% LEL Methane, 20.9% Oxygen, 50 ppm Carbon Monoxide, Balance Air

Lumidor GFV1090 Calibration Gas: 50% LEL Methane, 20.9% Oxygen, 50 ppm Carbon Monoxide, Balance Air

$119.95
Lumidor GFV123 Calibration Gas: 50% LEL Methane, 20.9% Oxygen, 50 ppm Carbon Monoxide, Balance Air

Lumidor GFV123 Calibration Gas: 50% LEL Methane, 20.9% Oxygen, 50 ppm Carbon Monoxide, Balance Air

$119.95
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
MSA 10010162 Calibration Gas: 1.45% vol. Methane, 58% LEL Pentane, (58% LEL Pentane Equivalent), 15% Oxygen, 300 ppm Carbon Monoxide, Balance Nitrogen

MSA 10010162 Calibration Gas: 1.45% vol. Methane, 58% LEL Pentane, (58% LEL Pentane Equivalent), 15% Oxygen, 300 ppm Carbon Monoxide, Balance Nitrogen

$119.95
MSA 460345 Calibration Gas: 8% vol. Butane, 13.8% Carbon Dioxide, Balance Nitrogen

MSA 460345 Calibration Gas: 8% vol. Butane, 13.8% Carbon Dioxide, Balance Nitrogen

$31.95
MSA 476304 Calibration Gas: 50% LEL Pentane, 15% Oxygen, Balance Nitrogen

MSA 476304 Calibration Gas: 50% LEL Pentane, 15% Oxygen, Balance Nitrogen

$31.95
MSA 478191 Calibration Gas: 1.45% vol. Methane, 58% LEL Pentane, (58% LEL Pentane Equivalent), 15% Oxygen, 60 ppm Carbon Monoxide, Balance Nitrogen

MSA 478191 Calibration Gas: 1.45% vol. Methane, 58% LEL Pentane, (58% LEL Pentane Equivalent), 15% Oxygen, 60 ppm Carbon Monoxide, Balance Nitrogen

$119.95
MSA 478192 Calibration Gas: 1.45% vol. Methane, 58% LEL Pentane, (58% LEL Pentane Equivalent), 15% Oxygen, Balance Nitrogen

MSA 478192 Calibration Gas: 1.45% vol. Methane, 58% LEL Pentane, (58% LEL Pentane Equivalent), 15% Oxygen, Balance Nitrogen

$119.95
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