Product Details
The Extra Large NFA is designed to significantly reduce the number of vents required by 2/3 compared to a standard 50" vent. It features a galvanized steel venturi and an industry-leading mesh screen that provides protection against rodents, birds, and insects. This vent is suitable for roof pitches of up to 8/12 and is easy to install. The base dimensions measure 25" x 25", while the opening has a diameter of 15".








