a flow restrictor coupled to one of the plurality of gas outlet ports, wherein the flow restrictor is sized to provide flow conditions that are substantially equal to flow {HEAD ~ conditions} of {TAIL ~ the first and second gas inlets} of the processing chamber 
of
a flow restrictor coupled to one of the plurality of gas outlet ports , wherein the flow restrictor is sized to provide flow conditions that are substantially equal to flow { HEAD ~ conditions } of { TAIL ~ the first and second gas inlets } of the processing chamber
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH