Andersen 3862 Upper Sash with White Exterior and Natural Pine Interior with Low-E4 Glass Unit Number_244DH2449 Andersen TW2846 (Lower Sash) Sandtone

Andersen TW2846 (Lower 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 TW28310 (Upper 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

It also allows for total ventation with the doors open and both screens across the opening

Andersen TW1842 (Lower Sash) Forest Green 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 244DH2436 200 Series Double Hung Upper Sash with White Exterior and Natural Pine Interior with Low-E High Performance Glass

Andersen 3862 Upper Sash with White Exterior and Natural Pine Interior with Low-E4 Glass Unit Number_244DH2449 Andersen TW2846 (Lower Sash) SandtoneAndersen 3862 Narroline Double Hung Upper 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