FIG. 1 is a front perspective view of the wall mountable pet litter box shelter showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is right front perspective view thereof, shown with a lid portion of the enclosure housing opened;
FIG. 9 is a left rear perspective view thereof, shown with the lid portion of the enclosure housing opened; and,
FIG. 10 is a side sectional view thereof, taken along line 10-10, as shown in FIG. 6;
FIG. 11 is a side sectional view thereof, taken along line 11-11, as shown in FIG. 5; and,
FIG. 12 is an exploded view thereof.
The broken lines in the drawings illustrate portions of the wall mountable pet litter box shelter that form no part of the claimed design.