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