This aero chamber consists of a plastic tube with a mouthpiece, a valve to control mist delivery and a soft sealed end to hold the MDI.

Many medicines are available as inhaled treatments. The metered dose inhaler (MDI) consists of a pressurized canister of medicine in a plastic case with a mouthpiece.
This allows even very young children to have access to this form of treatment which aids cough control, treats asthma, bronchitis and airway limitation conditions.