US D480476 S1
FIG. 1 is a front perspective view, showing the new design for a filter cartridge for an escape hood. As shown, the filter cartridge is oriented horizontally on the front side of the hood;
FIG. 2 is a right side view of the filter cartridge, the left side view being a mirror image of the right side view;
FIG. 3 is a top view thereof;
FIG. 4 is a rear view thereof; and,
FIG. 5 is a front view thereof.
The broken line showing in the drawings forms no part of the claimed design.