Lomanco LomanCool C416W Cornice Vent, 4 in L, 16 in W, 25 sq-ft Net Free Ventilating Area, Aluminum, White White (Pack of 12)

All aluminum, rust-free construction, overall size of 4 in x 16 in louver, 8 x 8 perma-coated aluminum screen attached, pre-drilled holes, unique eyebrow designed louvers provides maximum ventilating capacity with weather infiltration, 25 sq-in of net-free area. Online purchases are in packages of 12.