Black Radius Opening Window : 21 1/4" W X 11 1/4" H X 1 3/4" DManufacturer: UNKNOWN Rough Hole Dimensions: 21 1 4" W X 11 1 4" H X 1 3 4" D Manufacture Model Number: UNKNOWN NOTES: Great used shape! Screen included, in good shape. Seals in good shape. Tinted window. This window is the type that gets "sandwiched" between the outer frame and inner frame, being screwed on from the inside. Inner frame included. All hardware shown is included. See images. Watch this video to see how to measure & replace an RV Window: