Aerosol metered valves 1, Dosage: 100ul 2, Stem material: plastic and metal Aerosol metered valve1, Product: 20mm metering valve2, Dosage: 200ul, 150ul, 120ul, 100ul, 75ul, 50ul 3, Mounting cap: aluminum4, Stem: plastic / metal5, Dip tube: according to the length of can Aerosol metered valves