Andersen 2446 Lower Sash with White Exterior and Natural Pine Interior with Low-E4 Glass Color:Pine Interior / White Exterior Andersen TW18510 (Lower Sash) White

Andersen TW18510 (Lower Sash) White Exterior and Natural Pine Interior High Performance LowE4 Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

This unit takes the place of a screen measuring 27-7/8" wide by 70-27-32" high

This sash has a Sandtone: exterior and a Natural Pine: interior

This sash has an unobstructed glass size that measures 19-3/4" wide by 48" high

Andersen 2446 Lower Sash with White Exterior and Natural Pine Interior with Low-E4 Glass Color:Pine Interior / White Exterior Andersen TW18510 (Lower Sash) WhiteAndersen 2446 Narroline Double Hung Lower Sash White Exterior with Natural Interior Works with Andersen Narroline Double Hung 1968 to 2012. This sash has a White Exterior with Natural Interior. This window sash has Low E Glass. Low E4 Glass is a high performing glass that improves energy efficiency over standard dual pane glass. It also adds fade protection and water spot reductions due to it's special coating. This sash features a patented Flexacron