Manufacturers Specials various models of ceiling mounted fresh air ventilator, sales hotline: 13573487358 ceiling fresh air ventilation machine features an ultra-quiet design: fresh air ventilator fan with low noise fans, internal devices to take effective silencer When technology, machine work, low noise outside the machine, without interference; 2, maintenance-free design: The unique design of airflow path, the airflow through the good wind resistance, long-term continuous use, the heat exchange body maintenance; 3 , ultra-slim design and easy installation: special body design for ultra-thin models, to bring great convenience to install, saves valuable building space; 4, Seiko secret agents: equipment components are made of high quality steel, eco-friendly materials, aluminum frame the surface electrostatic spray technology processing speed, high quality, exquisite aesthetic appearance; 5, the air filter design: ceiling mounted fresh air ventilator built-in professional-grade air filters to ensure clean and fresh air into the room. Mounting points: ceiling mounted, vertical, horizontal; also in accordance with user needs, design and production of non-standard products to best meet customer and market needs. The new wind ventilators can bypass function is designed to fully utilize the natural energy in spring and autumn, the outdoor fresh air without passing through the heat exchanger directly into the room, keeping fresh and comfortable indoor environment, greatly extending the core body heat life.