4 Inch Roof Vent Cap with Damper & Mesh, Removable, Galvanized Steel, for Ventilation System (Split type)

Superior Airflow Efficiency: Achieves up to 75% airflow, surpassing many competitors that offer less than 50%, ensuring effective ventilation.Robust Construction: Crafted from heavy-gauge galvanized steel with a polyester powder coating for enhanced corrosion resistance and longevity.Protective Mesh Screen: Features a removable mesh cover to prevent debris and small animals from entering the ventilation system.​Easy Installation: Includes a pipe extension for seamless connection to 4-inch ducting and pre-drilled holes for secure mounting.​Versatile Application: Ideal for various ventilation setups, including kitchens, bathrooms, attics, and more.