... diffusing ability and good-looking shape, this Air Conditioning Ceiling Diffusers is widely used in ceiling ... ,side wall, sidewall, door, air conditioner application, in broadcast room, hospital, theater, ... 7780 8.67Note: 1,The above figures are data at the wind throw 0.5m/s 2 ... of the square diffuser, their performances data are equivalent as well Air Conditioning Ceiling Diffusers