Builders Edge 140037079001 Exhaust Vent, 8 Inch Overall Length, 7 Inch Overall Width, 12 Square-Inch Net Free Ventilating Area, White

Exhaust vents scalloped color=arctic white For side walls with patented exhaust flaps which stay closed when not in use; durable, maintenance free, U.V. stabilized and constructed with color molded-through so they won't scratch, flake or fade; comes complete with 8 inches aluminum tube ( 4 inches diameter); op tional: small animal guard sold separately; net free area 12 sq. inches; Limited Lifetime warranty. Made in USA.