US D403417 S
FIG. 1 is a top perspective view of an air filter housing showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a side elevation view thereof, the opposite side being a mirror image thereof; and,
FIG. 5 is a bottom plan view thereof.
The broken line showing of environmental structure in FIGS. 1 and 4 is for illustrative purposes only and forms no part of the claimed design.