This Pella 250 Series casement roll-out window measures 22" wide x 50" tall and comes in a white aluminum frame. Listed as like new and in original box. Features include annealed glass, one wide right configuration, high-altitude rating, high argon gas fill, a solar heat gain coefficient of 0.18, and a visible transmittance of 0.42 — making it an excellent energy-efficient choice for Colorado homes. Includes window unit only. SKU: WIN-ON-57691.