Aluminum&Plastic Square Air Diffuser 1.it won't condensate 2.surface ... with offwhite 3.Size:400,450,500,600mm 4:Aluminum,ABS Aluminum&Plastic Square ... Manufacturer is a professional manufacturer to produce air diffuser,air outlet ,air grille,air damper,duct corner ... (); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Aluminum&Plastic Square Air Diffuser