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hex Quick-Change chuck for fast and easy bit changes
If youre having trouble locating a lost tool
Make 45° cuts up to 3-1/8 in
89 Manufacturer Warranty 3 Year Limited Warranty 1 Year Free Service Contract 90 Day Money Back Guarantee Certifications and Listings CSA Listed
94 Actual Product Height (in
16.75 in. x 16.75 in. Square Aluminum Aluminum Automatic Shutter Gable Louver Vent Line Posts hex Quick-Change chuck for fastThe Broan model 433 automatic shutter is the perfect accessory to Broan gable mount powered attic ventilators, provided you have adequate air intake on the opposite side of the attic or the in the eaves. Attic ventilation is critical to making any home more comfortable while helping to lower energy costs. Stagnant air can be removed, drawing fresh air across the surfaces. The home ventilating institute recommends at least one square foot of open air
