It has strong ventilation due to an upgraded fully enclosed pure copper motor that provides fast fume suction and efficient airflow, helping maintain clean and comfortable indoor air. 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, Strong Wind, High Suction Voltage: 220V 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.) Note: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Slight dimensional differences may occur due to manual measurement. Package Includes: 1 x Exhaust Fan Please pay attention to the size and dimensions when selecting the product to ensure it meets your requirements. Detailed product information, including features and specifications, is provided in the title and description. We aim for your complete satisfaction, so if you have any questions, feel free to reach out for assistance. Thank you for choosing this product. We hope you enjoy it.