This Holding Chamber for Meter Dose Inhaler is designed to enhance the delivery of Meter Dose Inhalers medications by directing the aerolized drug directly to the patients lungs, reducing medication waste, and improving drug delivery. The holding chamber reduces the need of the patient to coordinate activating the MDI with inhaling their medication. It momentarily holds aerosol medication in chamber until patient is ready to inhale. It accommodates most CFC and HFA meter dose inhalers. It is easy to use and clean and Latex free.