Andersen 3862 Upper Sash with White Exterior and Natural Pine Interior with Low-E4 Glass Unit Number_244DH2449 This sash has a visible

This sash has a visible glass size of 20 7/16 inches wide by 13 15/16 inches high

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 TW2052 (Upper 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

This sash has a visible glass size of 32 7/16 inches wide by 27 15/16 inches high

Andersen 3862 Upper Sash with White Exterior and Natural Pine Interior with Low-E4 Glass Unit Number_244DH2449 This sash has a visibleAndersen 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