Exaco Door Centering kitExaco Door Centering kit Useful if centering a single door on a unit with an even number of bays (i. e on a VI34) or a double door on a greenhouse with an odd number of bays (i. e. at gable end of VI46). Kit includes (1) additional PRO1456 to help frame two narrow bays on either side of door and (2) narrow panes of glass for standard wall height. Kit with glass panes can ONLY be shipped with original greenhouse order. If greenhouse has already