... Aerosol metering valve 1)Stem:Plastic,Metal 2)Dosage:25,35,50 ... Aerosol Metered spray can valve :1) Stem: plastic, metal 2) Dosage:25ul,35ul,50ul,75ul,100ul,120ul ... tinplate with either golden coating or transparent coating2) Stem: plastic, metal/brass3) Dosage: 25ul, 35ul, 50ul, 75ul, 100ul ... , 75ul, 50ul and 35ul Mounting cap: aluminumStem: Plastic / metalDip tube: according to the length of canActuator ...