Seven Proventil HFA (albuterol sulfate 6.7 g hydrofluoroalkane inhalation aerosol) a and seven Ventolin HFA (albuterol sulfate 18 g hydrofluoroalkane inhalation aerosol) b MDIs were acquired from ...
metered-dose inhalers (MDIs) were evaluated.Methods. Three Proventil HFA and three Ventolin HFA MDIs were stored at room temperature and served as controls while three of each product were placed ...