A universal respiratory adaptor for connecting medical equipment to a patient respiratory device comprises: i) a machine end comprises at least two male tapers of different diameters ii) a patient end comprises a first female port concentric within a second female port, wherein the second female port has an outer wal l which defines a male fitting, and iii) a tubular body portion interconnecting the machine end and the patient end wherein the machine end and the body portion comprise a continuous lumen in fluid communication with the first female port.