Thermwell Products AWS2433 24x19-33 Wind Screen Galvanized rails & varnished wood ends Extends from 19 inch to 33 inch Bright mesh screen wire 24-Inch X 19-Inch - 33-Inch Metal Rail Extension Window Screen Bright Mesh Screen Wire Extends From 19-Inch To 33-Inch Galvanized Rails, And Varnished Wood Ends Extra Sturdy, Tenoned Corners Keep Screens Square