An end of {TAIL ~ each extension tube} 34 and 36 opposite the hub 32 supports {HEAD ~ a connector}, e.g., luer connector 40 
An end of { TAIL ~ each extension tube } 34 and 36 opposite the hub 32 supports { HEAD ~ a connector } , e.g. , luer connector 40
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH