FIG. 2 is an enlarged perspective view of the face wall insert of FIG. 1;
FIG. 3 is a perspective view of the rear wall insert of FIG. 1;
FIG. 4 is an enlarged perspective view of the rear wall insert of FIG. 1;
FIG. 5 is an elevation view of the face wall insert of FIG. 1;
FIG. 6 is an elevation view of the rear wall insert of FIG. 1;
FIG. 7 is a top plan view of FIG. 1; and,
FIG. 8 is a sectional view of the face and rearwall inserts of FIGS. 1 and 3 taken substantially in the direction of the arrows 8—8 in FIG. 7.
The broken lines of FIGS. 1-8 are included for illustrative purposes only, and form no part of the claimed design.