Albuterol sulfate 90mcg/inh; metered-dose aerosol (with a dose counter); CFC-free. Proair HFA (albuterol sulfate ... sulfate from the canister valve and 108 mcg of albuterol sulfate from the ...

The leak rates for the Proventil HFA test and control MDIs were ... reported dose per actuation for both MDIs is 108 µg of albuterol sulfate, which corresponds to 90 µg of albuterol base.