NorLab
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Industrial Scientific 1810-9188 Replacement - 25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 50% LEL Propane, 18% Oxygen, Balance Nitrogen (116L)
$445.0025 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 50% LEL Propane, 18% Oxygen, Balance Nitrogen, 116 Liter Aluminum Cylinder (Industrial Scientific 18109188 Equivalent). RFID tag is not included.
