Andersen 20210 Lower Sash with White Exterior and Natural Pine Interior with Low-E4 Glass Color:Pine Interior / White Exterior Andersen TW2636 (Lower Sash) White

Andersen TW2636 (Lower Sash) White Exterior and Natural Pine Interior High Performance LowE4 Tempered Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

Andersen TW20310 (Lower Sash) Sandtone Exterior and Natural Pine Interior High Performance LowE4 Tempered Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

Low E4 Glass is a high performing glass that improves energy efficiency over standard dual pane glass

Sold as a pair

Andersen Tandem Sash Lock (Left Hand) Impact Resistant Works with Perma-Shield Improved/E-Z Casement Windows manufactured from 2001 to Present

Andersen 20210 Lower Sash with White Exterior and Natural Pine Interior with Low-E4 Glass Color:Pine Interior / White Exterior Andersen TW2636 (Lower Sash) WhiteAndersen 20210 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