Andersen 1842 Upper Sash with White Exterior and White Interior with Low-E4 Glass Unit Number_AXW4 Andersen TW3452 (Lower Sash) Sandtone

Andersen TW3452 (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

Andersen TW30310 (Upper Sash) Sandtone 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

Andersen TW26310 (Upper Sash) Sandtone 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

Andersen DH28310 Combination Storm and Screen Unit - White Color

Andersen 1842 Upper Sash with White Exterior and White Interior with Low-E4 Glass Unit Number_AXW4 Andersen TW3452 (Lower Sash) SandtoneAndersen 1842 Narroline Double Hung Upper Sash White Exterior with White Interior Works with Andersen Narroline Double Hung 1968 to 2012. This sash has a White Exterior with White 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