Rapid Venting: This shutter exhaust fan delivers 1400 CFM to quickly expel stale air, floating dirt, heat, and bad smells, keeping indoor air fresh. Also works as a high-airflow exhaust fan for sheds and workshops

Smooth Variable Speed: Stepless variable-speed control puts airflow at your fingertips. The included controller lets you dial the exhaust fan from a gentle breeze to a powerful blast to suit different ventilation needs

Premium AC Motor: 1520 RPM and 60W provide up to 6.7 m/s airflow while running smoothly with low noise, efficient and stable for a quiet, comfortable experience. Ideal as an attic fan for year-round ventilation

Tough Build: All-metal steel construction offers high rigidity, deformation-resistant, and handles damp and rain, more sturdy than plastic and ready for harsh weather