Broan Attic Ventilator Automatic Shutter for 353 and 35316 Models

by Broan

The Broan 433 is an automatic shutter for gable mount powered attic ventilator. Attic ventilation is an important factor when it comes to making your home more comfortable. To get optimum efficiency and performance, this shutter should be combined with model 353 or model 35316 ventilators.

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