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