A backflush line has {TAIL ~ an outlet} disposed downstream of the filter, and a backflush pump is configured to supply {HEAD ~ backflush fluid} through the backflush line against the filter 
A backflush line has { TAIL ~ an outlet } disposed downstream of the filter , and a backflush pump is configured to supply { HEAD ~ backflush fluid } through the backflush line against the filter
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH