Pay in 4 interest-free payments of $12.84 Learn more
Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
Make 45° cuts up to 3-1/8 in
Shingle-over vent for use with 12 in
hex Quick-Change chuck for fast and easy bit changes
one-piece design 24
16.75 in. x 16.75 in. Square Aluminum Aluminum Automatic Shutter Gable Louver Vent Line Posts Make 45° cuts up toThe Broan model 433 automatic shutter is the perfect accessory to Broan gable mount powered attic ventilators, provided you have adequate air intake on the opposite side of the attic or the in the eaves. Attic ventilation is critical to making any home more comfortable while helping to lower energy costs. Stagnant air can be removed, drawing fresh air across the surfaces. The home ventilating institute recommends at least one square foot of open air
US$ 492.25
US$ 450.45
