In this embodiment, {HEAD ~ the baffle} 62 is a member that divides the interior of manifold into {TAIL ~ an upstream volume} 66 and a downstream volume 68 
In this embodiment , { HEAD ~ the baffle } 62 is a member that divides the interior of manifold into { TAIL ~ an upstream volume } 66 and a downstream volume 68
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH