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 stronger and more uniform airflow, resistant to deformation. Operates smoothly with minimal vibration, ensuring high air volume while reducing noise. Designed for long-term durability. 3. Easy Installation: Includes all necessary mounting hardware and clear installation instructions. Can be installed without professional help. 4. Ventilation Fan: Equipped with protective grills tightly arranged to prevent accidental contact. The grill is secured with four screws to minimize shaking and noise. Detachable design allows for easy cleaning. 5. Wide Application: Ideal for efficient indoor ventilation in kitchens, bedrooms, offices, basements, warehouses, garages, and other areas requiring continuous or regular airflow. Specifications 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 Includes: 1 x Kitchen Exhaust Fan