6-inch flat roof vent for Intakes and exhausts. available in one base sleeve height of 12" tall. Learn more about this superior gooseneck roof termination by scrolling down to view product videos, CAD files, install instructions, and more. For quantities greater than 25 units please Contact Us for bulk discounts. Items Included (1) 6 Inch RoofGooseJack Base with Flange (1) 6…