Entering flood water lifts the patented internal floats which unlatch and allow the door to rotate open. Our Dual Function Engineered Flood Vent provides up to 200 ft. Of flood protection and allows for natural air flow through your crawlspace or enclosed area that needs ventilation. Our Insulated model provides the same flood coverage while its insulated core makes it perfect for garages and air conditioned spaces. Made of T316L Marine Grade Stainless Steel, Smart Vent Flood Vents are strong, durable and can handle anything Mother Nature throws at it.
Bi-directional flood vent feature allows for the free entry and exit of flood water, relieving hydrostatic pressure to help prevent foundation damage and lower your flood risk. Dual Function Flood Vents contain a bimetal coil that automatically opens and closes the ventilation louvers with temperature change, remaining closed at 35°F and fully open at 75°F. Smart Vent Foundation Flood Vents are FEMA Compliant and ICC-ES Certified (ESR-2074) for 200 sq. Of flood protection per vent.The Smart Vent product line is constructed out of Marine Grade Stainless Steel and is 100% made in the United States. T316L Stainless Steel is renowned for its ability to withstand usage in harsh marine and chemical environments, ensuring that our products will handle everything Mother Nature throws at them. This item is in the category "Home & Garden\Home Improvement\Heating, Cooling & Air\Indoor Air Quality & Fans\Exhaust Fans & Ventilators". The seller is "marketplacepros" and is located in this country: US. This item can be shipped worldwide.