Powerful Ventilation: This inline exhaust fan with 3300 RPM can generate 1219 CFM airflow, effectively circulating air, quickly move vast amount of air to exhaust odors. Sturdy and durable: Made of high-quality carbon structural steel, not easy to deform, well-made and durable. Reduced maintenance in demanding applications, even in harsh environments. Fan bearings are NSK/SKF bearings, the best quality in the world. Low Noise Level: Durable plastic fan blades rotate smoothly, EC motor provides quiet and energy-efficient performance with minimal heat and noise.High static pressure, low energy consumption. Feature-rich Controller: This duct fan is equipped with a controller that supports free switching between on, off, timer, and auto modes (including automatic operation under various environmental conditions such as high temperature, low temperature, high humidity, and low humidity), meeting diverse needs in different scenarios. Widely Used: The inline fan is perfect for greenhouse, planting tent, kitchen, bathroom, restaurant, etc., to ventilate the indoor air and ensure air circulation,Effectively eliminate odors. The 10" inline duct fan with 300-3300 RPM can generate 1219 CFM airflow,effectively circulating air.