an inner tube projecting axially into said outer tube in {HEAD ~ sealed relation} to said {TAIL ~ first end} thereof, and having a first end extending past said lateral inlet, 
to
an inner tube projecting axially into said outer tube in { HEAD ~ sealed relation } to said { TAIL ~ first end } thereof , and having a first end extending past said lateral inlet ,
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH