... 4.No need for flammable propellants. 5.Customize Specifications: Name Bag on valve Other name Aerosol valve bag, Valve in bag Structure 1"Valve ... , Mounting Cup, Outer gasket, Inner gasket, Stem, Spring, Housing, Bag-on-valve connector, Aluminum foil pocket(4 layers). Material Tin ... for flammable propellan 5)Can be used in all angles 6)Less noise when spraying CET ISO 9001:2000 Valve in bag for air ...