23-1/2 in. x 47-1/2 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 Low-E Glass and Screen features a lock that automatically engages when the window is closed, securing the SmartSun Low-E 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.