The dispenser 1 comprising an air pump connected to the water discharge device and the chamber and operable so as to flush the capsule with air after introduction of water into the capsule so as to empty {HEAD ~ the capsule} of {TAIL ~ liquid} and prevent back flow of liquid into the dispenser 
of
The dispenser 1 comprising an air pump connected to the water discharge device and the chamber and operable so as to flush the capsule with air after introduction of water into the capsule so as to empty { HEAD ~ the capsule } of { TAIL ~ liquid } and prevent back flow of liquid into the dispenser
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH