Andersen 20310 Narroline Double Hung Upper Sash Sandtone Exterior with Natural Interior
- Works with Andersen Narroline Double Hung 1968 to 2012.
- This sash has a Sandtone 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 finish. This three step process ensures the best protection against weather and scratches.
- Flexacron is a trademark of PPG Industries.
- 20-year limited warranty on the glass and a 10 year limited warranty on the rest of the unit.
- This sash has a visible glass size of 20 7/16 inches wide by 19 15/16 inches high.