Roof vent

[0001]FIG. 1 is a perspective view of the roof vent of the design, shown in an environment of use;

[0002]FIG. 2 is a perspective view thereof;

[0003]FIG. 3 is a top plan view thereof;

[0004]FIG. 4 is a bottom plan view thereof;

[0005]FIG. 5 is a right side view thereof;

[0006]FIG. 6 is a left side view thereof;

[0007]FIG. 7 is a front side view thereof; and,

[0008]FIG. 8 is a rear side view thereof.

[0009]The broken lines depict environmental subject matter and portions of the roof vent and forms no part of the claimed design. The roof vent is shown with a symbolic break in its length. The appearance of any portion of the roof vent between the break lines forms no part of the claimed design.