Airhawk 50 In. Gray Aluminum Slant Back Roof Vent 85281 Pack of 6

One-piece design for additional strength and weather protection 50 sq. in. of Net Free Area airflow each Aluminum construction Slant-back design Material Aluminum Color GrayYou may also like Ventamatic Cool Attic 15" Galvanized Steel Black Static Roof Mount Attic Vent.