Spherical vents is an outlet nozzle type, you can easily adjust the spray direction of the wind and traffic, as far as possible to meet the indoor air conditioning or ventilation requirements, and long distance air. Spherical vents due to adopt the best aerodynamic nozzle design to achieve the desired noise control, due to its high quality design, it is widely used in sports pipes, concert halls, theaters, museums, conference rooms and other high places. Product Features Material: Aluminum Structure: frame fixed inside the sphere can be used for 30 ° spherical rotation. Features: long range, low noise, wide coverage, commonly used in theaters, stadiums, airports and other places large space. Can add accessories: air flow control valve, electric actuator. Our company specializes in all kinds of aluminum outlet production of central air conditioning and ventilation used: single, double Grille, rain Grille, grille outlet, since the vertical vent louvers, square, circular diffuser, exhaust port, being pressure outlet, fire air, swirl diffusers, spherical vents. The company is strong in technology, superior product quality, credit protection, low prices. Our call to discuss!