- Size 18210 lower sash with grille grommets.
- For units manufactured prior to May 2010 with interior removable grilles using plunger style fastener - see image.
- White exterior and interior with a patented Flexacron® * finish.
- Low-E glass provides outstanding performance for climates where both heating and cooling costs are a concern.
- Visible glass dimensions are 39" wide by 13 15/16" high.
Flexacron® is a trademark of PPG Industries, Inc.