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Gasco Multi-Gas 485: 25% LEL Methane, 16% Oxygen, 100 ppm Carbon Monoxide, 40 ppm Hydrogen Sulfide, Balance Nitrogen

Gasco Multi-Gas 485: 25% LEL Methane, 16% Oxygen, 100 ppm Carbon Monoxide, 40 ppm Hydrogen Sulfide, Balance Nitrogen

from $178.95
Industrial Scientific 1810-3143 Equivalent Calibration Gas: 50% LEL Methane, 16% Oxygen, 100 ppm Carbon Monoxide, 50 ppm Hydrogen Sulfide, Balance Nitrogen

Industrial Scientific 1810-3143 Equivalent Calibration Gas: 50% LEL Methane, 16% Oxygen, 100 ppm Carbon Monoxide, 50 ppm Hydrogen Sulfide, Balance Nitrogen

$209.95
Industrial Scientific 1810-5635 Equivalent Calibration Gas: 50% LEL Methane, 16% Oxygen, 100 ppm Carbon Monoxide, 50 ppm Hydrogen Sulfide, Balance Nitrogen

Industrial Scientific 1810-5635 Equivalent Calibration Gas: 50% LEL Methane, 16% Oxygen, 100 ppm Carbon Monoxide, 50 ppm Hydrogen Sulfide, Balance Nitrogen

$178.95
Industrial Scientific 1810-9103 Equivalent Calibration Gas: 50% LEL Methane, 16% Oxygen, 100 ppm Carbon Monoxide, 50 ppm Hydrogen Sulfide, Balance Nitrogen

Industrial Scientific 1810-9103 Equivalent Calibration Gas: 50% LEL Methane, 16% Oxygen, 100 ppm Carbon Monoxide, 50 ppm Hydrogen Sulfide, Balance Nitrogen

$377.95
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