India Japan Italy Find out about two types of inhalers: the ProAir® HFA (albuterol sulfate) Inhalation Aerosol Red Inhaler and ProAir RespiClick® (albuterol sulfate) Inhalation Powder, a inhaler from ProAir®. 4. It is a short-acting β 2 adrenergic receptor agonist which works by causing relaxation of airway smooth muscle. Chile Monaco Norway Ventolin HFA Prescribing Information. Slovakia Belarus Mexico