Keep some spare propane cylinders on hand so you never run out.Disposable propane cylinders for use with West Marine, Magma, Coleman and other outdoor cooking and heating appliances designed for use with disposable propane cylinders. Two 16.4oz. cylinders.Key FeaturesFor use with West Marine, Magma marine grills and other outdoor appliances designed for use with disposable porpane cylindersTwo 16.4 oz. cylinders