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Item #: 1540-510 -
The Smart Vent 1540-510 Stainless Steel Foundation Flood Vent is a dual function vent that works as a natural air ventilation system under normal conditions and a flood vent that relieves water pressure on your foundation and structure during flood conditions. These vents are used for a home or other type of structure with a crawlspace. Ventilation A bimetal coil automatically opens and closes the ventilation louvers as temperature changes. No electricity is required. The louvers will be fully...