This Pella double hung window measures 76-3/4"H x 23-1/2"W and is in like-new, in-box condition. It features a white aluminum exterior and wood interior, with black grids and annealed, one-wide advanced Low-E glass optimized for high altitude use. Solar heat gain coefficient is 0.27 and visible transmittance is 0.25, making it well-suited for sun control in Colorado's climate. No damage or missing parts.