Install a roof AC with confidence with this 14" x 14" Universal Roof Air Conditioner Gasket Kit, the best available. It includes a self-adhesive picture frame gasket and two self-adhesive foam leveling pads (7/8" x 1-7/16" x 18" and 5/16" x 1-7/16" x 18") for a universal fit. Universal fit Includes a self-adhesive picture frame gasket and two self-adhesive foam leveling pads Dimensions 7/8" x 1-7/16" x 18" and 5/16" x 1-7/16" x 18" 14" x 14" Install roof AC with confidence