【Stainless Steel Crawl Space Ventilation Fan】 Boasting an air output of 780CFM, this IP55 grade crawl space ventilation fan ensures superior performance with excellent dustproof, weatherproof, and liquid resistance properties, eliminating concerns about rust. Accelerating both indoor and outdoor air circulation, it enhances indoor air quality and maintains optimal humidity levels. Moreover, it effectively vents radon gas, treats wood gas, and eliminates odors, preventing their intrusion into living spaces.

【Built-in Isolation Mesh & Antifreeze Thermostat】 Featuring a built-in antifreeze thermostat, the ALORAIR basement ventilation fan automatically halts operation when the ambient temperature drops below 37 degrees, ensuring protection against freezing. Additionally, equipped with an 8mm isolation net, it prevents reptile intrusion while reducing air moisture and extending the fan's service life.

【Easy Operation and Use】 Measuring 9.13 inches, this crawl space vent fan features a simple knob panel for easy humidity control, allowing adjustment from 10-80%. With an impressive air movement area of up to 1300 sq.ft and noise levels below 55dBA, it is perfect for use in damp environments such as crawl spaces, basements, lofts, garages, hydroponics, and planting tents.

【Equipment Information】 With dimensions of 16.1" × 11.8" × 4.5", this 5-blade vent fan comes with a 6ft grounded power cord for convenient installation. Please ensure to measure the crawl space vent size before purchase, as the panels can be trimmed to match non-standard foundation openings. Simply plug it in, and you're ready to go.

【Trustworthy Service】 Our crawlspace ventilation fan is fully compliant with electrical safety standards ETL and is backed by a 2-year warranty. Our professional customer support team is available to assist you at any time, ensuring a hassle-free experience. Should you have any inquiries, feel free to reach out to us directly for prompt assistance.