Drain

FIG. 1 is a front, right, top perspective view of the drain in the first usage state, showing my new design;

FIG. 2 is a rear, left, bottom perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a front, right, top perspective view of the drain in the second usage state.

The dashed broken lines illustrate portions of the drain which form no part of the claimed design.

The area shown between the broken lines and solid edge lines do not form part of the claimed design.

The short-short-long dashed broken lines in the views represent the boundaries of the design and form no part of the claimed design.