Aerosol dispenser having annular seals and aerosol container therefor

An aerosol container having a longitudinal axis and comprising:

• a polymeric outer container comprising a closed end bottom and an open neck longitudinally opposed thereto;
• a valve welded to the outer container in fluid tight relationship by an outer container weld, and
• a device for product delivery welded to the valve in fluid tight relationship by a product delivery device weld,
• the product delivery device weld being radially spaced from the outer container weld, and
• wherein the neck of the outer container has an inner periphery, the inner periphery comprising a first annular sealing surface and a second annular sealing surface, the valve being joined to the outer container at the first annular sealing surface and the product delivery device being disposed on the second annular sealing surface.