- Works with Perma-Shield Narroline double-hung windows manufactured from 1968 to 2012.
- Takes two grilles per window (upper and lower sash). Grilles sold each.
- Exterior color available in white only.
- Interior color available in natural wood or white.
- This grille fits a window sash with a visible glass size of 40-7/16" wide by 27-15/16" high.
- Overall grille dimension is 40-11/16" wide by 28-7/32" high.
- Colonial grille pattern is 4 squares wide and 2 squares high.
- For "easy" to install grille instructions click here - Grille Instructions.
Note: Old style (snap-in) polycarbonate (plastic) grilles have been discontinued.