Manual Crawl Space Vent with Removable Cover and Vermin Screen

DESIGNED FOR: 8″ height x 16″ width foundation openings. Great for ventilation and encapsulations. Installation hardware included. TOTAL DIMENSIONS WITH MOUNTING FLANGE: 11″ height x 19″ width. DURABLE: Made of durable ABS plastic that is also paintable. Will not rust or rot. NFA (NET FREE AIRFLOW): 95 sq inches. Almost double the amount of other air vents. BUILT TO LAST: Save money. Quit replacing crawl space vents year after year!