About This A REAL SPACE SAVER: Air Out. Unit Dimensions: 18.2" x 1.7" x 9". Airflow: 240 CFM. Noise: 48 d(BA). Quiet enough, this exhaust fan is the first choice to control the basement and crawl space temperature and humidity levels. NICELY EQUIPPED: This 7-blade crawl space fan with a front metal grille and dual ball DC motors can move 240 CFM air. Multi-function operation panel, wind speed adjustment, time timing, temperature setting, humidity setting are standard functions. The time loop function has been added, and the user can cycle the unit by setting the unit rest time and working time. BUILT TO LAST: With a metal fan cage and stainless steel body for Crawl Space, Basement, Attic, Garage, Hydroponics, Grow Tents. The temperature and humidity probe should be installed in the same space as the equipment; Ensure that the temperature and humidity probe will not get wet or damaged. TRUSTED FOR GENERATIONS : sales service-We believe in quality and after-sales service. All our high-quality ALORAIR crawl space fans are made for your full utilization. It is sure to last long and still keep its shape look. Your satisfaction is guaranteed with a 2 Years Warranty and an excellent after-sales service team. IN THE BOX: The VentirPro-S2 Air-Out Ventilator Fan×1; The User Manual×1; Power Adapter×1 IMPORTANT: All models are equipped with factory pre-installed thermostats to prevent fan operation when outdoor temperatures fall below 35°F. Overview Brand : ALORAIR Color : Black Electric fan design : Exhaust Fan Power Source : AC Style : 240CFM Product Dimensions : 18.2"D x 1.7"W x 9"H Room Type : Basement, Crawlspace, Kitchen, Laundry Room Special Feature : Portable Recommended Uses For Product : Air Circulation Mounting Type : Wall Mount