Purpose: The effects of extreme temperatures on drug delivery of two albuterol sulfate hydrofluoroalkane, metered-dose inhalers (MDIs) were evaluated.Methods. Three Proventil HFA and three ...

Albuterol sulfate 90mcg/inh; metered-dose aerosol (with a dose counter); CFC-free. Proair HFA (albuterol sulfate) Inhalation Aerosol ... formulation and provides 200 actuations.