The flow barrier additionally includes {TAIL ~ a handle section} in the form of {HEAD ~ a fluted flange} 
The flow barrier additionally includes { TAIL ~ a handle section } in the form of { HEAD ~ a fluted flange }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD