The 4 Seasons PRO is designed and built for sloped shingled roofs and offers extra protection in severe weather. The vent works by using the sun’s energy to power a fan which pulls excess heat, moisture and humidity out of the attic space while promoting air circulation inside. It is excellent for steep roof applications. The unique shape helps prevent wind driven rain and snow from blowing into the attic while the slanted hood deflects running rainwater. TAS 100(A) Tested – 110 MPH wind-driven rain (High Velocity Hurricane Zones testing)
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