Air Vent Manual Foundation Crawl Space Vent

The Air Vent Manual Foundation Crawl Space Vents are built for durability and control, helping protect your homes foundation from heat, moisture, and rot. Designed with a manual lever instead of an automatic bi-metal coil, these crawl space vents allow you to easily adjust airflow based on seasonal needs open in summer for ventilation, close in winter to retain warmth. Available in heavy-duty aluminum and plastic for lasting performance, these vents resist rust and corrosion, while the included mesh screen prevents debris and pests from entering. Whether you're replacing old, unsightly vents or installing new ones, the Air Vent Manual Foundation Vents make the job simple with their easy installation and precise fit for standard 8" x 16" openings.