The coating path may be adjustable via one or more valves to take delivery of {HEAD ~ the coating solution} from the output of either the first filter element, the last filter element, or {TAIL ~ any} of the intermediate filter elements, each of which delivers coating solution with particle sizes determined by the pertinent pore sizes 
The coating path may be adjustable via one or more valves to take delivery of { HEAD ~ the coating solution } from the output of either the first filter element , the last filter element , or { TAIL ~ any } of the intermediate filter elements , each of which delivers coating solution with particle sizes determined by the pertinent pore sizes
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH