ReliaBilt (RB) vinyl primary horizontal sliding window measuring 48" W x 48" H in white. Features energy-efficient performance with a U-Factor of 0.27, Solar Heat Gain Coefficient of 0.23, and Visible Transmittance of 0.42. Includes window screen. There is a visible crack or chip on the top section of the white vinyl frame — glass appears intact. Sold strictly as-is to reflect the cosmetic damage; buyer is encouraged to inspect in person prior to purchase. Ideal for a contractor, DIYer, or anyone comfortable with a repair or cosmetic touch-up. Frame color: White. Operation: Horizontal sliding sash.