A gas delivery tube 28 is secured to the discharge 29 of the compressor 23 and extends to the mask 20 for {HEAD ~ the delivery} of {TAIL ~ a breathable gas} to the patients nose 21 as shown in FIG 2 
A gas delivery tube 28 is secured to the discharge 29 of the compressor 23 and extends to the mask 20 for { HEAD ~ the delivery } of { TAIL ~ a breathable gas } to the patients nose 21 as shown in FIG 2
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH