Features: Enhances your indoor air quality with our 4Inch inline duct fan, delivering a powerful airflows to efficiently ventilate space like basements, bathrooms, and kitchens. Designs with a diagonal flows structure, this fan ensures low noise operation and energy efficiency. Ideal for homeowners, office workers, and facility managers seekings to improve air circulation. Perfect for use in kitchens, bathrooms, garages, and other areas requiring quick exhaust and ventilation, this fan seamlessly integrates into existing 4Inch pvc duct systems. With its easy installation, this booster fan is a reliable solution for maintaining air quality in both residential and commercial setting. Specifications: Component:PVC Size:Approx.26x20cm/10.24x7.87inch Weight:2000g Power: 25W Voltage: 220V Airflows: 220m ²/h Speed: 2600r/minutes Current: 0.13A Frequency: 50Hz Noise: 30Db Package Includes: 1Pc Inline Duct Fan note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color about the item.