ALORAIR 300 CFM Crawlspace Ventilator Fan with Humidistat, Stainless Steel Exhaust Vent Fans with Digital Display, Timing Cycle, Freeze Protection Thermostat, for Basement, Garage, Attic, Grow Tent

?Powerful Vent Fan?Size: 12.6" × 8.7" × 2.5"| Airflow: 300CFM | Noise: 40 dBa. This high-airflow vent fan improves indoor comfort by removing heat that collects inside the house and increasing air circulation. Idea for crawl spaces, basements, attics, garages, greenhouses and other confined spaces up to 550 sq. ft. ?Superior Design? AlorAir crawlspace ventilator fan made of stainless steel with IP55-rated fan blades, highly resistant to liquids and dust, rust-proof and durable. The back of this basement ventilation fan features upgraded metal isolation mesh effectively prevent reptiles from entering the interior. Power cord length: 6ft. ?Built-in Freeze Protection Thermostat?The crawlspace ventilation fans are capable of moving large amounts of air, and the built-in temperature and humidity sensor controller protects your house property from moisture. When it detects that relative humidity is higher than the level you set, the fan starts automatically. Temperature range: 37- 158°F. Don't worry about freezing, it will automatically stop when the outside temperature drops below 37°F. ?Program Control?The 5-blade crawl space fan with intelligent multi-function LCD control panel that can be programmed and controlled at will, and parallel control of temperature, humidity and time systems can meet your various needs. Besides, memory restart supports this exhaust fan to auto restore the pre-shutdown setpoint and operating mode after a power failure. ?2 Years Warranty?Our crawlspace ventilation fan is fully compliant with the electrical safety ETL. Every AlorAir crawl space fan comes with a 2-year warranty with a professional customer support team ready to assist at any time. If you have any questions, you can call us directly, ready to assist you.