Ventolin HFA exhibited the largest change, with an 85.2% increase in respirable mass from 4 to 60°C. The respirable mass of Proventil HFA increased by 13.7% over the same temperature range.

Seven Proventil HFA (albuterol sulfate 6.7 g hydrofluoroalkane ... The Methods used were the same as those in the environmental storage study, except that the MDIs were not allowed to come to ...