Provided is a spacer device (110) for delivery of drugs via a nebuliser device, the spacer device (110) comprising a bag (112) and a body (118) including inlet (114) and opposed outlet (116), the inlet (114) and opposed outlet (116) being provided on, and integral with, the body (118). The body (118) and bag (112) combine to form chamber (120) for receiving aerosolised medication. The inlet (114) and outlet (116) each are in the form of a port that is in fluid flow communication with the chamber (120). The inlet (114) and outlet (116) define, and are separated by, a broad V- formation formed as part of the body (118). The body (118) further includes an elliptical lower perimeter (118.1) defining flange (118.2), for demountably receiving bag (112).