This invention further embraces a filter device for liquids, wherein {HEAD ~ a bottom} of the liquid feeding compartment is higher than {TAIL ~ a bottom} of the liquid receiving compartment 
is higher than
This invention further embraces a filter device for liquids , wherein { HEAD ~ a bottom } of the liquid feeding compartment is higher than { TAIL ~ a bottom } of the liquid receiving compartment
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH