Product Details
The extra large NFA significantly reduces the number of vents required by two-thirds compared to a standard 50" vent, featuring a galvanized steel venturi for enhanced durability. Its industry-leading mesh screen offers protection against rodents, birds, and insects, making it suitable for use on roofs with up to an 8/12 pitch. The installation process is straightforward, with a base dimension of 25" x 25" and an opening diameter of 15".








