4/6/8 Inch 220V with Motion Sensor Silent Powerful Inline Duct Mounted Fan

4/6/8 Inch 220V with Motion Sensor Silent Powerful Inline Duct Mounted Fan. Custom Size Available: Offers custom size options to meet specific installation requirements. Motion Sensor Technology: Integrated motion sensor for automatic and energy-efficient operation. Silent Powerful Design: Provides strong airflow with low noise levels for indoor environments. Multiple Voltage Options: Available in 4, 6, and 8-inch sizes with 220V electric power source. Comprehensive Certifications: Certified with CE, SAA, TUV, CB, and RoHS for high quality standards. 3 Years Warranty: Provides a 3-year warranty coverage for peace of mind. Online After-Sales Support: Dedicated online support team available for technical assistance. Custom Design Service: Own R&D department supports custom design based on customer concepts.