{HEAD ~ A swivel housing} is coupled to {TAIL ~ the tubing reel} in a bearing relationship and includes an inlet port for receiving an end of the tubing and an outlet port for coupling to a nasal cannula 
is coupled to
{ HEAD ~ A swivel housing } is coupled to { TAIL ~ the tubing reel } in a bearing relationship and includes an inlet port for receiving an end of the tubing and an outlet port for coupling to a nasal cannula
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH