Features 1. Multifunctional powerful mute exhaust fan: Upgraded fully enclosed pure copper motor (speed up to 2800r/min) provides fast fume extraction and ventilation, helping maintain fresh and comfortable indoor air. 2. Durable construction: 7 thickened blades deliver strong and uniform airflow, resistant to deformation. Operates stably with minimal vibration, ensuring high air volume and reduced noise. Designed for long-term use with robust build quality. 3. Easy installation: Includes all necessary mounting hardware and installation instructions. Can be installed without professional help. 4. Ventilation fan: Equipped with protective grills tightly arranged to prevent accidental contact. Grill cover is secured with four screws to minimize shaking and noise. Detachable and easy to clean. 5. Wide application: Suitable for efficient indoor ventilation in kitchens, bedrooms, offices, basements, warehouses, garages, and other areas requiring continuous or regular airflow. Specification Material: Alloy Color: Black, White Size: 15 x 15 cm, 14 x 18 cm, 15 x 20 cm, 15.5 x 24.5 cm Weight: 1200 g, 1550 g, 2050 g, 2700 g Power: 40W, 50W, 80W, 100W Package Include: 1 x Kitchen Exhaust Fan