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