Helical Drain

FIG. 1 is a perspective view of the helical drain showing the design;

FIG. 2 is a front view thereof;

FIG. 3 is a first side view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a second side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown in the drawings illustrate disclaimed subject matter that forms no part of the claimed design.