refrigerant gas r407c is an HFC retrofit refrigerant for 22. It is used in air conditioner and Non-centrifugal refrigeration system. Packing Disposable cylinder 25lb/11.3kg,Recyclable cylinder 850kg Storage and shipping Storage should be away from fire, heat and avoid direct sunlight, it usually put in a cool, dry and ventilated place .In case the cylinder,valves and other accessories are damaged ,it should be handled with care .