Andersen 20210 Upper Sash with White Exterior and White Interior with Low-E4 Glass Unit Number_A55 Used on 5' 0" wide

Used on 5' 0" wide by 6' 11" high patio door with visible glass size of 18-7/8" wide by 66-3/8" tall

Andersen 244DH3046 200 Series Double Hung Upper Sash with White Exterior and Natural Pine Interior with Low-E High Performance Glass

Andersen 244DH1856 200 Series Double Hung Upper Sash with White Exterior and Natural Pine Interior with Low-E High Performance Glass

Andersen TW28310 (Upper 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 20210 Upper Sash with White Exterior and White Interior with Low-E4 Glass Unit Number_A55 Used on 5' 0" wideAndersen 20210 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