Air Vent AirHawk Slant Back Air Vents

Can reduce the head in your attic when used with other attic vents RVA 40 - Aluminum Slant Back: Aluminum Body Low Profile, Compact Vent 40 Net free area (square inches) - 7 1/2 inches Round Opening - 12 Vents Per Carton - Sold per Carton Only RVG 40 - Galvanized Slant Back: Heavy-Duty Galvanized Construction - Low Profile, Compact Vent - 40 Net free area (square inches) - 7 1/2 inches Round Opening - 9 Vents Per Carton - Sold per Carton Only VA 50 - Aluminum Slant Back: - Aluminum Body - Low Profile, Compact Vent - 50 Net free area (square inches) - 8 Inch Round Opening - 10 Vents Per Carton - Sold per Carton Only RVG 50 - Galvanized Slant Back: - Heavy-Duty Galvanized Construction - Low Profile, Compact Vent - 50 Net free area (square inches) - 8 Inches Round Opening - 10 Vents Per Carton - Sold per Carton Only Colors Available: Black, Brown, Mill Finish, Weathered Wood