Water purifier
FIG. 1 is a perspective view of a water purifier showing my new design, the broken-line showing of the sink faucet being for illustrative purposes only and forming no part of the claimed design; 
     FIG. 2 is an enlarged side elevational view thereof, the front, rear and opposite side being substantially similar in appearance; 
     FIG. 3 is an enlarged top plan view thereof; and 
     FIG. 4 is an enlarged bottom plan view thereof.