Double Grille in building ventilation industry play a major role in building ventilation goal is to give people breathing fresh air or reduce the indoor temperature in the summer. Especially double Grille in air conditioning systems, and greatly reduces the negative impact of air conditioning to bring their own, increasing the effect of natural ventilation, the following is double Grille features: Double Grille features: 1 , double adjustable blade, get a different air diffusion distances and different angles; 2, can be used as outlet; 3, optional aluminum or iron production; 4, can be used in conjunction with the valve. Our reasonable price-performance products, perfect quality customer service and support guarantee, is the world's best central air-conditioning systems of new materials and service providers. Double Grille Applications: This product is usually installed as a side to the outlet pipe or sidewall double Grille, double Grille has two adjustable angle of moving blades, short blade for regulating the air stream diffusion angle can also be used to change the direction of airflow; long blade can be adjusted for airflow attached to the ceiling or under a certain inclination angle (when the fan heater when). The outer blade or blades double single Grille Grille can be parallel to the long side, can also be parallel to the short side, you can be chosen according to customer requirements. Products through the National Quality Supervision and Inspection Center of adjustable double Grille, quality assurance double Grille size, price concessions, are welcome to come call to discuss the role of double Grille, advice! Teng Zhuangchuan Ping Wu County FRP molded products processed at the main fan, SMC molded fiberglass fan, roof exhaust fans, two-speed exhaust fan, exhaust fan fire, counterflow cooling towers, steel fan, inorganic fiberglass duct, fresh air ventilator and a variety of air-conditioning units, SMC combined water storage tanks, enamel tank, fan coil units, fire dampers, FRP winding, aluminum vent and other quality products, excellent quality, perfect service to win the majority of users. Adjustable double Grille, pass flat fiberglass (certified), double Grille Feicheng County by Wu Teng 庄传平 glass steel working place. Wu County Teng 庄传平 FRP processing at (www.sdtengfei.com) is an industry leader in Shandong Dezhou, fans, ventilation equipment, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs . Biography leader in flat glass and steel with the staff warmly welcome all inquiries negotiations to create mass flat fiberglass better future.