Insulating Cover for Gas Device

FIG. 1 is a front view of an insulating cover for gas device shown in an environment of use, according to our new design; FIG. 2 is a rear view thereof; FIG. 3 is a left side view thereof; FIG. 4 is a right side view thereof; FIG. 5 is a top view thereof; FIG. 6 is a bottom view thereof; FIG. 7 is a front, top, left side perspective view thereof; FIG. 8 is a front, bottom, right side perspective view thereof; FIG. 9 is a front view of the insulating cover for gas device of FIG. 1 shown in an alternate flat configuration; FIG. 10 is a rear view thereof; FIG. 11 is a left side view thereof; FIG. 12 is a right side view thereof; FIG. 13 is a top view thereof; and, FIG. 14 is a bottom view thereof. The broken lines in the Figures show portions of the insulating cover for gas device and form no part of the claimed design. The broken lines shown on the top and bottom of the design in FIGS. 1 - 8 show environmental structure and form no part of the claimed design.