• For Lower Flood Risk: Bi-directional flood vents feature allows for the free entry and exit of floodwater, relieving hydrostatic pressure to help prevent foundation damage and lower your flood risk. The lower flood risk associated with the proper installation of flood vents can also lead to a much lower insurance premium for your home.
• Flexible & Compact Design: The louvered plate of the crawl space flood vent is able to be removed at will to facilitate the maintenance and cleaning of the user. At the same time, the space is properly ventilated. Opening Dimensions(W x H): 20 x 12'' / 508 x 304.8 mm. Item Dimensions(W x H x D): 22.05 x 14.17 x 1.02'' / 560 x 360 x 26 mm.
• Effortless to Install: The crawlspace flood vent has four mounting holes and a set of mounting screws to facilitate the user to install the vent. It is easily installed for new construction or can be retrofitted with adhesive or an equivalent fastener and easily installed in non-finished enclosures below the base flood elevation.
• Sturdy Steel Construction: The flood vent adopts zinc-coated steel for good processing ability and excellent rust resistance performance. Surface paint treatment is bright and wear-resistance, which is easy to scrub.
• Reliable Welding Technology: The foundation vent features reliable welding technology, which has high strength and good connectivity. It effectively improves the equipment's hardness and enhances shock resistance.

VEVOR Crawl Space Flood Vent Foundation Flood Vent 12"Height x20"Width Wall Vent
Reduce Flood Risk
Detachable Louvered Plate
Easy & Convenient Installation
Rigid Zinc Coated Steel
Surface Paint Treatment
Durable Welding Craft
Opening Dimensions(W x H): 20 x 12'' / 508 x 304.8 mm,Thickness: 0.03'' / 0.75 mm,Plug Profile: Wall,Color: Black,Model: FHTFKGDBY-20''x12'',Item Dimensions(W x H x D): 22.05 x 14.17 x 1.02'' / 560 x 360 x 26 mm,Material: Zinc Coated Steel,Net Weight: 4.85 lbs / 2.2 kg