23-1/2 in. x 59-1/2 in. 100 Series White Single-Hung Composite Window with White Int, SmartSun Glass and White Hardware

This Andersen 100 Single Hung Fibrex Composite Window with SmartSun LowE Glass and Screen features a lock that automatically engages when the window is closed, securing the SmartSun LowE glass and deterring unauthorized opening. The window is Energy Star qualified to meet or exceed federal guidelines for energy efficiency for year-round energy and money savings.