Introduction of Variable Swirl diffuser(ceiling diffuser)

There are three control ways of  Variable swirl diffuser(ceiling diffuser which are manual Variable swirl diffuser,electric swirl diffuser,thermostat swirl diffuser ).According customers' requirement ,you can adjust the discharge upward and downward of swirl diffuser (ceiling diffuser).
 
Variable Swirl diffuser can be used in large room which is in lower ceiling applications≧3.8m ,e.g. airport ,waiting room, theatres ,business halls,big meeting rooms,shopping center etc.