The apparatus 1, wherein {TAIL ~ the fine screen} and {HEAD ~ supporting screen} are attached to each other within the exchangeable flow conditioning insert 
The apparatus 1 , wherein { TAIL ~ the fine screen } and { HEAD ~ supporting screen } are attached to each other within the exchangeable flow conditioning insert
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH