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