... Detail: cylinder carton packingDelivery Detail: within 30 days Specifications:camping gas cylinder,can use in -20 around in the cold environment ... for mountain (5,000 meters above) enthusiasts, camping gas cylinder containes High-purity gas mixture 230g with propane/iso-butane, can use ... to protect.2, trachea flats will be tightening the joint gas cylinders in the upper part of the screw interface, so ...