Air cleaner
FIG. 1 is a perspective view of an air cleaner showing our new design; 
     FIG. 2 is a side elevational view showing one end thereof; 
     FIG. 3 is a view like FIG. 2, showing the other end thereof; 
     FIG. 4 is a top plan view thereof; 
     FIG. 5 is a side elevational view thereof; 
     FIG. 6 is a view like FIG. 5 showing the other side thereof.