They allow more air movement than conventional stationary attic louvers to ensure the superior airflow.
Broan attic fans shutters.
This item broan 433 automatic shutter for 353 and 35316 gable mount attic ventilator renewed broan 433 automatic shutter for 353 and 35316 gable mount attic ventilator cool attic cx2121 automatic gable vent shutter high impact one piece abs cycolac frame 22 w x 23 h x 3 d.
Broan surfaceshield vital vio powered exhaust fan w led light antibacterial light.
026715000517 broan shutter fan brn433 broan 433 automatic shutter house.
Provides weather tight closure.
Heat fans fans fan controls house attic fans controls automatic shutter products related to 433 weather tight automatic shutter or visit the broan site.
Flanges fit flush against outside wall for neat smooth appearance.
For help with weather tight automatic shutter from broan.
The counter balanced aluminum vanes open automatically when the ventilator is turned on and close when the fan stops for your convenience.
The counter balanced aluminum vanes open automatically when ventilators are turned on and close when fans stop.
These shutters are designed for broan nutone nutone models 353 and 35316.
Broan gable end shutters gable end shutters allow more air movement than conventional stationary attic louvers.