Broan® Automatic Shutter, Aluminum, Domestic

• 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

• Instruction/Installation Manual https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Broan-NuTone_433_Instruction_Installation.pdf
• Specification Sheet https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/IDW_DOCUMENT_88b5bef60db943e9c892e74fdcc7ad9f9c0762bb27f84034f81e75edc0dc0ed1.pdf
• Warranty Information https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/IDW_DOCUMENT_481c96cc1f9d5396f0f2f857255a1689a3645f9ea8f4f3e1c3ce72f7c28689e1.pdf