This Pella 250 Series single hung white vinyl window measures 48 inches wide by 71.5 inches tall and is in like-new condition, still in its original box. Includes the full window unit. Key features include Low-E glass, argon gas fill, a solar heat gain coefficient of 0.49, and a visible transmittance of 0.61 — offering solid energy efficiency for a large window opening. Annealed glass, single hung operation (lower sash moves, upper is fixed). Ideal for bedroom, living room, or large wall openings requiring a cost-effective, energy-smart replacement window.