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Product Info

Smart Vent Dual Function Vents 

Smart Vent Dual Function Vents 

These vents are used for a home with a crawlspace or any enclosed area that desires natural air ventilation and flood protection. Entering flood water lifts the patented internal floats which unlatch and allow the door to rotate open. This allows the flood water to automatically enter and exit through the frame opening, relieving the pressure from the foundation walls.