This Pella Advanced Comfort white aluminum casement window measures 24.5 x 58.25 inches and is in like-new condition, still in its original box. It is a double-hung style with annealed glass, one wide configuration, and is designed for high-altitude climates. Energy performance specs include a 0.30 solar heat gain coefficient (SHGC) and 0.55 visible light transmittance, making it a solid choice for Colorado homes. Window only is included. No damage or missing parts noted.