Key Stone Front Square Back Ventilators
Stock Sizes / Custom sizes available
by quote.
Product Code Rough Opening Size
Vent box size
KSB18
18" x
18"
17 ½" x 17 ½"
KSB24
24" x
24"
23 ½" x 23 ½"
KSB30
30" x
30"
29 ½" x 29 ½"
KSB36
36" x
36"
35 ½" x 35 ½"
- Custom sizes can be quoted by your local Southern Shutter dealer.
- All exposed components are western red cedar.
- Vent box is 2 1/4" deep.
- Vent includes 180 brickmold face & fiberglass insect screen.
