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 while reducing noise. Built for long-term performance. 3. Easy installation: The exhaust fan includes all necessary mounting hardware and installation instructions. Can be installed without professional assistance. 4. Ventilation fan: Equipped with protective grills tightly arranged to help prevent accidental contact. The grill is secured with four screws to minimize shaking and reduce noise. Detachable design allows for easy cleaning. 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