Variable Swirl Diffuser Air Diffuser ZG-SW7  

I.   Materials:Aluminium Alloy, Cold-rolled Steel, Zinc Steel, ABS or Others  
II.  Surface Finish:Anodized or Powder Coated White,Colour RAL9010,9016,Other Colours on Request  
III. Features:Variable diffuser consists of plenum box which is made of galvanized sheet steel and diffuser plate  
IV.Standard Sizes(mm):¦µ200,¦µ250,¦µ300,¦µ350,¦µ400,¦µ450,¦µ500,¦µ550 or Others