The present invention provides: a dispenser (1) for a gaseous, gas borne or droplet substance contained in a source thereof, the dispenser comprising: a substance source (2) having: an external surface devoid of any feature intended for longitudinal location of the source and a spout (4) displaceable inwards of the source to a dispense position for dispensing a substance dose from the source a body (3) having: a mouthpiece (11) via which the substance dose can be inhaled and a socket (7) sized for lateral location of the source via its external surface, but devoid of any body feature intended for longitudinal location thereof a junction member (14) for the spout, the junction member being arranged in the body to be slidable to a set position for displacing the spout to its dispense position an action for slidably moving the junction member to the set position and a unification of the source or a source locator (550) to the body for locating the source longitudinally with the spout in its dispense position when the junction member is in its set position, the locator where provided extending from the body, outside the source and at least partially across the end of the source to provide a longitudinal location for the source, locating it when the moveable junction member acts to depress the spout inwards of the source.
