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Aura Gravity Ventilator | 4″ Diameter 2″ Tall Collar | 12 Sq. In. NFA | Model AV-4-C2

4 inch Roof Vent | Aura Gravity Ventilator | Model AV-4-C2 The 4 inch Aura Gravity Ventilator is 4 inches in diameter and has a 2 inch tall collar. The model AV-4-C2 has 12 inches of Net Free Area (NFA). All 4 inch gravity vents come with a standard 10″ x 10″ square flange flashing. Where to Install : If installed less than 3 feet from the peak, this roof vent can go on a roof with a pitch of 3/12 to 7/12. However, with modification, this vent is capable of installment on a 12/12 pitch in…

Roof Vent