This Pella 250 Series sliding window (OX configuration) measures 32" wide x 56" high and features a white vinyl frame designed for long-term durability and energy efficiency. The dual-pane insulated glass is filled with high-altitude-rated argon gas and coated with Low-E 180 for superior thermal performance. NFRC certified energy ratings: U-Factor 0.28, Solar Heat Gain Coefficient 0.51, and Visible Transmittance 0.62. The OX configuration includes one fixed panel and one operable sliding panel with a center-mounted sash latch. A gray mesh screen and hardware bag are included. All NFRC and installation labels are intact; blue painter's tape holds original shipping protection in place. No damage observed.