Air Vent 54703 Automatic Gable Shutter 16" H X 17.5" W X 17.8" L White Plastic
BRAND NEW IN PERFECT/EXCELLENT CONDITION! THE BOX WAS OPENED AND INSPECTED.
Louvers open outside when gable fan is running, louvers close when gable fan shuts off. Made of plastic to prevent rust. To be used with model #'s 53315, 53316, 53319 & 53320.
Automatically opens when fan runs
Can be painted to match homes exterior
Shutter for gable mount power fans
Color: White
Material: Plastic
Prevent rust
Automatically opens when the power fan is running and then closes when the fan is not running