Trusty Screen Door Shade - 23-by-33-Inch, Black Black color; available in 4 sizes: 18.5" x 40" - 23" x 33" - 25" x 32.5" - 27" x 39.5" 18.5" x 40": Winnebago Industries part number 144628-08-02A 23" x 33": Winnebago Industries part number 144628-03-02A 25" x 32.5": Winnebago Industries part number 144628-02-02A 27" x 39.5": Winnebago Industries part number 144628-06-02A