Crawl Space Vent Cover Outward Mounted

Crawl Space Door Systems designed a durable ABS plastic one-piece solid vent cover to seal the crawl space. Covers the standard 8 inchx16 inch air vent or any opening in the foundation wall and fits on the outside surface of the foundation wall and attaches with either fasteners or adhesive. Excellent for closed, encapsulated or conditioned crawl space applications. Please measure your vent opening before purchasing this product. It will only mount over standard.