The system 1, wherein {HEAD ~ the threaded collar} is sized for {TAIL ~ threaded engagement} with one of the inlet and the outlet of the storage tank 
is sized for
The system 1 , wherein { HEAD ~ the threaded collar } is sized for { TAIL ~ threaded engagement } with one of the inlet and the outlet of the storage tank
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH