Windows , tinted, from a school bus, slide down.Outside of frame without flange is 26 12 x 24 14 high. Have 4 this size. Plus one that is an egress hinged at top.Plus one that is 29 12 x 24 14 high. $30 eachAlso have nice aluminum framed side windows with screens from smaller fiberglass topper.Left right sides are 51 12 x 12 18 , main frame , without flange lip.Front slider is gone$20 each Also...