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