OptiChamber Advantage Valved Holding Chamber helps your patients get the best part of their asthma inhaler medication in the most efficient way.  With optimal performance and optimal value OptiChamber Advantage gives you and your patients the advantage in metered dose inhaler therapy.  When an inhaler is used alone, medication often ends up in the mouth, throat, stomach and lungs.  Research confirms that OptiChamber targets more drug to the lungs than an MDI alone.  Detaching transparent mask also available that allows the caregiver to see the valve move on inspiration, to coordinate proper timing of MDI actuation and to count patient's breaths.