Thank you for viewing!✧*。 This is an opened, unused item. Hon&Guan Duct Fan 150mm Inline Type [Registered as an Invoice System Store] Duct Ventilation Fan, Powerful, Energy-Saving, Quiet, for Paint Booths, Home BBQ, Round Type, Industrial Ventilation Fan, with Instruction Manual (HI-150SD/φ150mm, Single Item) Reference Price: 7980 yen Brand: Hon&Guan Color: Black Electric Fan Design: Ventilation Fan Power Source: Corded Electric Style: Compact Product Dimensions: 18.5 cm depth x 14.7 cm width x 14.7 cm height 【Surprisingly powerful for its small size】It adopts technology from jet engines and automotive turbochargers. It draws air in from the intake side and expels it in a circular pattern from the impeller hidden on the edge of the main unit. It uses a high-quality brushless motor, which offers superior performance, lower power consumption, and lower noise compared to conventional AC motors. 【Compact and lightweight! Easier to install】We have redesigned the duct fan product based on various customer feedback, significantly improving the center of gravity experience. The motor core is more compact, the center of gravity is concentrated, making it easier to use and more stable, and it is less likely to shake even when operating at high airflow, making installation easier. 【Low power consumption, easy on your electricity bill】Even at maximum airflow, it consumes approximately 20W (HI-75SD) / 6W (HI-100SD) / 19.2W (HI-150SD) / 44.4W (HI-200SD), which is only about 15.13 yen (HI-75SD) / 4.54 yen (HI-100SD) / 14.52 yen (HI-150SD) / 33.59 yen (HI-200SD) for 24 hours of continuous operation per day. It's gentle on your wallet while providing high performance. 【With a controller, choose the best ventilation speed】It comes with a stepless controller. You can freely adjust the airflow and air pressure from minimum to maximum simply by turning the knob. You can adjust the best airflow according to your usage scenario, choosing the ventilation speed and noise level.