Portagas Calibration Gas, 103 Liters
CO ppm 50, LEL Propane 50%, O2 18%, Nitrogen Balance
Part Number: AIRL54-9042E
Calibration gas - LEL Propane 50%, 18% oxygen and 50 ppm of carbon dioxide. 103 Liters Calibration Gas is a special order item and cannot be returned. If you need assistance selecting the product, please contact customer service prior to placing your order.