
High Quality Chicken House Butterfly Cone Fan /Exhaust Fan. Energy Efficient Cooling: 80% lower ownership cost and 90% lower operating cost compared to air conditioning. High Air Purity: Achieves up to 99% air cleanliness with fresh, moist air output. Low Noise Operation: Intelligent dynamic balance ensures smooth running with minimal vibration and noise. Durable Blade Material: Stainless steel blades prevent distortion and fracture for long-lasting performance. Customizable Motor: Motor voltage and frequency can be customized to meet specific requirements. Advanced Protection: Includes phase lack protection device to power off motor during electricity shortage. Efficient Cooling: Reduces temperature to 28 degrees, with enhanced effect using well water. Quality Certification: CE and CCC compliant with IP55 protection class and Insulation Class F.