Round Wetterfester Air Grille

RG-L RD-A1 DV-R DV-S EV-A EV-S Round Weather-proof Air Grille Material:Extruded Aluminum Alloy (the thickness is commonly 0.8mm-1.0mm, also can be customerized ) Surface Finish:Backed powder coated / Natural anodized Corlor: commonly white / other colors are available as per your requested Size: different sizes available upon your requested Price: best price will be quoted individually upon your requested size or special specification. Features: This type of return grille is in the form of a louver. The product is normally used in the application where waterproof is a primary concern. The non-adjustable louvered blades are fixed to the grille. Application: Sidewall outlet type air distribution