- Size 20210.
- White exterior and interior with a patented Flexacron® finish.
- 5/8 Dual-Pane glass provides high visibility with basic thermal performance.
- Visible glass dimensions are 20 7/16" wide by 13 15/16" high.
* Flexacron® is a trademark of PPG Industries, Inc.
If sash was manufactured before 1998 you will need to order a new lock. The sash is not routed for the old hardware. See related categories to order new lock