It has strong ventilation due to an upgraded fully enclosed pure copper motor that provides fast fume suction and efficient airflow, helping to keep indoor air clean and comfortable. Seven thickened blades deliver more powerful and uniform air volume and are resistant to deformation. The fan operates smoothly with minimal vibration, ensuring high airflow while reducing noise. It is constructed from iron material. Available in multiple sizes: 4 inch, 6 inch, and 7 inch. Easy to install, suitable for use in kitchens, bathrooms, offices, meeting rooms, restaurants, supermarkets, cinemas, internet cafes, workshops, and waiting halls. Item Name: Exhaust Fan Material: Iron Features: Low Noise Operation, Strong Airflow, High Suction Voltage: 22V Frequency: 50 Hz Size Details: 4 Inch Black, Diameter: 10cm/3.94" (Approx.) 4 Inch Black, Length: 7.3cm/2.87" (Approx.) 6 Inch Black, Diameter: 15cm/5.91" (Approx.) 6 Inch Black, Length: 15cm/5.91" (Approx.) 7 Inch Black, Diameter: 18cm/7.09" (Approx.) 7 Inch Black, Length: 14cm/5.51" (Approx.) 4 Inch White, Diameter: 10cm/3.94" (Approx.) 4 Inch White, Length: 7.3cm/2.87" (Approx.) 6 Inch White, Diameter: 15cm/5.91" (Approx.) 6 Inch White, Length: 15cm/5.91" (Approx.) 7 Inch White, Diameter: 18cm/7.09" (Approx.) 7 Inch White, Length: 14cm/5.51" (Approx.) Notes: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Slight dimensional variations may occur due to manual measurement. Package Includes: 1 x Exhaust Fan When shopping, please pay attention to the size and dimensions of the product to ensure it meets your needs. Detailed product information, including features and specifications, is provided in the title and description. We want you to be completely satisfied with your purchase. If you have any questions, please for assistance. Thank you for choosing our product. We hope you enjoy it!