Product description:

I. Materials:Aluminium Alloy,Cold-rolled Steel,Zinc Steel
II.Surface Finish:Anodized or Powder Coated White,Colour RAL9010,9016,Other Colours on Request
III.Features:
a).Blades can be adjusted to different degree...
b).It obtains different effects of air flow
c).The short blades are in the face, and the long blades are in the back.
IV.Standard Sizes(mm):
300*175,400*175,500*175,600*175,700*175,750*175,800*175
300*100,400*100,500*100,600*100,700*100,750*100,800*100
300*250,400*250,500*250,600*250,700*250,750*250,800*250
175*175,200*200,225*225,250*250,275*275,300*300,400*400
Other sizes are available