FIG. 1 is a perspective view of a canister.

FIG. 2 is a top plan view of the canister of FIG. 1.

FIG. 3 is a front elevation view of the canister of FIG. 1.

FIG. 4 is a rear elevation view of the canister of FIG. 1.

FIG. 5 is a right side view of the canister of FIG. 1.

FIG. 6 is a left side view of the canister of FIG. 1; and,

FIG. 7 is a bottom view of the canister of FIG. 1.

The broken lines in the drawings that are immediately adjacent to the shaded areas represent an unclaimed boundary of the claimed design. The broken lines showing the remainder of the canister are for illustrative purposes only and form no part of the claimed design.