GableMaster Gable Vents We Stock the following vents in white and paintable and are ready to ship. These items are and stock to be shipped the same day you order. Half Round Octagon Oval Square Rectangle Round Round Top 22" x 34" 18" 21" x 27" 12" x 12" 12" x 18" 18" 14" x 22" 22" 18" x 24" 22" 22"...