New, Unused. Instant purchase O.K. HON&GUAN Duct Fan 100MM Powerful, Stepless Speed Control Available 【Invoice System Registered Store】 Metal Case Duct Ventilation Fan, Energy Saving, For Painting Booth, Mining Rig Cooling, Inverter Duct Fan with Stepless Speed Control Switch, Industrial Exhaust Fan (HI-100PE) ✅【Ultra-High Air Volume】The three-dimensional blade shape and EC motor increase suction power, allowing for the exhaust of a 20-tatami mat room in just 15 minutes at maximum air volume. The HI-100PE duct fan (100MM) features a higher air volume and stronger static pressure compared to general ventilation fans. ✅【High-Quality EC Motor】The HI-PE duct fan is equipped with an EC motor. The HI-PE is designed for quiet operation and low power consumption, making it an energy-efficient ventilation fan. It saves over 50% on energy and, due to its robustness, has a lifespan approximately three times longer than PSC motors. ✅【Stepless Speed Control】Equipped with a stepless air volume adjustment function, allowing you to select the air volume that suits your usage environment. You can freely adjust from a gentle breeze to a strong wind for exhaust purposes. The air volume can be adjusted steplessly by turning the air volume setting knob on the controller. ✅【Applicable to Various Scenes】With an exhaust capacity that supports up to 50 tatami mats, it can be used in small spaces such as 6-tatami mat bedrooms, single-person apartments, electric yakiniku grills, and painting booths, as well as in wider spaces like offices and living rooms. The HI-PE duct fan can be installed freely according to the scene.