Andersen 28210 Upper Sash with White Exterior and White Interior with Low-E4 Glass Color:White Interior / White Exterior This sash has a visible

This sash has a visible glass measurement of 22-3/4" wide by 36" high

This sash has an unobstructed glass size of 35 inches wide by 19 15/16 inches high

Andersen TW2046 (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

Andersen TW3456C (Lower 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

Andersen 28210 Upper Sash with White Exterior and White Interior with Low-E4 Glass Color:White Interior / White Exterior This sash has a visibleAndersen 28210 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