| ▪ Allows more air movement than conventional stationary attic louvers |
| ▪ Counter balanced aluminum vanes open automatically when ventilator is turned on, close when fan stops |
| ▪ Flange fits flush against outside wall for neat, smooth appearance |
| ▪ Reinforced for strength, provides weather tight closure |
| ▪ Use with models 353 and 35316 - sold separately |
| ▪ The frame material is fabricated from 0.08 to 6063-T6 extruded aluminum |
| ▪ The louvers are fabricated from 0.016 to 3105-H28 aluminum coil |
