- Size 21046 lower sash without grille grommets.
- For units manufactured after May 24, 2010 to August 2017. With interior removable grilles using chisel style fastener - see image above.
- White exterior with a patented Flexacron® finish and an unfinished pine interior.
- Low-E glass with Finelight™ contoured grilles between the glass. Glass provides outstanding performance for climates where both heating and cooling costs are a concern.
- Visible glass dimensions are 29" wide by 23 15/16" high.
Flexacron is a trademark of PPG Industries, Inc.