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Dual Function Series

Smart Vent Dual Function Vents should be used in applications where you want both flood protection and natural air ventilation.

The Dual Function series not only provides automatic flood protection, they also manage ventilation without the need for electricity. A bi-metal coil automatically opens and closes the ventilation louvers as the outside temperature changes. 

Watch the video below for a live test tank demonstration of the dual function foundation flood vents. 

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