Opening Size Rough Opening Fit Sizes 3.5 x 22 (3) 3.5 x 22.5 (3) 3.5 x 23 (3) 3.5 x 23.5 (3) 4.5x13 (3) 4.5x13.5 (3) 4.5x14 (3) 4.5x14.5 (3) 5x13 (3) 5x13.5 (3) 5x14 (3) 5x14.5 (3) 6x13 (3) 6x13.5 (3) 6x14 (3) 6x14.5 (3) 6x16 Replacement (3)
