Air Hawk 61 sq. in. NFA Plastic Square-Top Roof Louver Static Roof Vent in Black (Sold in Carton of 10 only)

Balanced ventilation will prolong the life of your roof while providing energy savings and comfort. These 40 sq. in. roof vents are made from reliable galvanized steel. This vent features an internal aluminum screen to prevent intrusion by birds or large insects.