Andersen 38310 Upper Sash with White Exterior and White Interior with Low-E4 Glass Unit Number_18210 Andersen TW26410 (Lower Sash) White

Andersen TW26410 (Lower 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

Andersen TW18310 (Lower Sash) White Exterior and White Interior High Performance LowE4 Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

This sash has an unobstructed glass size of 19 inches wide by 25 15/16 inches high

Includes sash bulb weatherstrip on four sides

Andersen 38310 Upper Sash with White Exterior and White Interior with Low-E4 Glass Unit Number_18210 Andersen TW26410 (Lower Sash) WhiteAndersen 38310 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