This Pella CDH01 double hung window measures 36" W x 55" H and features a white vinyl frame with annealed Advanced Low-E glass designed for high altitude performance. Both the upper and lower sashes are fully operable and tilt inward for easy cleaning from inside the home. Includes a screen. NFRC certified energy ratings include a U-Factor of 0.33, Solar Heat Gain Coefficient of 0.30, and Visible Transmittance of 0.57. Model CDH01 — One Wide PMF7. Brand new and never installed.