Simpson Duravent Dura Plus insulated chimney pipe for wood stove/fireplace

24" length of 8" Simpson Duravent Dura Plus HT insulated chimney pipe for wood stove, fireplace etc. This still has the original box (but the box is in rough shape) and has never been installed. It is galvinized and measures 12" across (over the outside), about 8" across the inside and 24-1/2" long.