Andersen 20310 Narroline Double Hung Lower 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 Sun Glass.
- Low E4 Sun glass performs best in southern climates and can help reduce cooling cost by helping to block heat penetration and keep cool air in.
- 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.