{TAIL ~ The dual valves} have a plurality of {HEAD ~ lumens} disposed within a unitary body 
{ TAIL ~ The dual valves } have a plurality of { HEAD ~ lumens } disposed within a unitary body
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH