Equipped with a high-performance AC motor, it effectively expels smoke, odors, and hot air rapidly and thoroughly. Ideal for a wide range of applications, such as warehouses, construction sites, and factories. Our products are strictly tested before sending out, so you can use it confidence | Vevor | | Portable Ventilator, 8 inch Heavy Duty Cylinder Fan with 33ft Duct Hose, 195W Strong Shop Exhaust Blower 1070CFM | Orange | Best Buy