End coupler for fume exhaust ducts

Description

FIG. 1 is a front perspective view of an end coupler for fume exhaust ducts showing my new design;

FIG. 2 is a right side elevational view thereof; the left side elevational view being a mirror image thereof;

FIG. 3 is a top plan view thereof; the bottom plan view being a mirror image thereof; and,

FIG. 4 is a front elevational view thereof; the rear elevational view being a mirror image thereof.