Roof Exhaust Fan, Attic Vent Fan With High-Power Motor, 21 Inch Fan Base

Efficient Ventilation: The roof exhaust fan features a 220W high-power motor and 1572/2200 rpm speed to quickly expel hot air. With stable, quiet, and energy-saving operation, it meets various heat dissipation needs and ensures comfort and device security Sturdy & Long-Lasting: Comes with a lightweight aluminum alloy housing cap, a deflector, and a sturdy base, our attic exhaust fan is high-strength, corrosion-resistant, and stable. It withstands extreme climates and ensures reliable performance over time Adjustable Airflow Speed: The garage exhaust fan is equipped with two intelligent speed controllers, and the airflow speed can be flexibly adjusted within 900/1500 CFM, easily meeting different ventilation needs to ensure comfort and energy efficiency Sealed Waterproof Design: The kitchen exhaust fan adopts a sealed waterproof structure and a deflector for fast water drainage, quiet operation, and prolonging durability. It ensures efficient and stable ventilation even under heavy rain and strong winds