An improved metered dose inhaler comprising a mouthpiece which is a fixed part, attached either to the cap or the body of the MDI Inhaler the mouthpiece is of a convenient shape, hollow protrusion from the cap of the inhaler, of the required length ( normally of 20mm to 30mm ), the mouthpiece is fixed and part of the cap, the cap, with this mouthpiece, can be removable or moulded as part of the body of the inhaler, the same type of cap, of the required size to fit the outlet of the spacers, with the unique protruding/extended mouthpiece, to be used by fitting it to the inhaling end of such spacers.
