Andersen 20310 Narroline Double Hung Lower 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 Dual-Pane 5/8 Glass.
- 5/8 dual pane glass offers standard thermal performance with great visibility.
- 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.