【Powerful Ventilation Fan】Measuring at 12.6" × 8.7" × 2.5", with an airflow of 300CFM and noise level of 40 dBa, this high-capacity vent fan significantly enhances indoor comfort by removing accumulated heat and improving air circulation. Suitable for crawl spaces, basements, attics, garages, greenhouses, and other confined areas up to 550 sq. ft.

【Superior Design】Crafted from stainless steel with IP55-rated fan blades, the AlorAir crawlspace ventilator fan is highly resistant to liquids, dust, and rust, ensuring durability and longevity. Its rear metal isolation mesh effectively prevents reptiles from entering the interior, while the 6ft power cord provides ample flexibility in installation.

【Built-in Freeze Protection Thermostat】Capable of moving large volumes of air, this ventilator fan includes a built-in temperature and humidity sensor controller to safeguard your property from moisture damage. It automatically activates when the relative humidity exceeds your preset level and operates within a temperature range of 37-158°F. Moreover, it stops when the outside temperature drops below 37°F to prevent freezing.

【Programmable Control】Featuring a 5-blade design and an intelligent multi-function LCD control panel, this crawl space fan allows for customizable programming and parallel control of temperature, humidity, and time systems to meet various needs. Additionally, the memory restart function ensures seamless operation and restores pre-shutdown settings and operating modes after power failures.

【2-Year Warranty】Fully compliant with electrical safety standards (ETL), our crawlspace ventilation fan comes with a 2-year warranty and professional customer support ready to assist you at any time. Feel free to contact us directly with any inquiries or assistance needs.