Ventilating Fan

FIG. 1 is a rear view of a ventilating fan, illustrating our new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a perspective front view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a perspective view thereof.

The broken lines show portions of the ventilating fan which form no part of the claimed design.