1.Aluminum waterproof louver 2.Material: Aluminum alloy 3.Finish:Powder coated 4.Custom design available 5.Long life span Aluminum waterproof louver Specifications:1.Material: Aluminum alloy : 6063 T52.Size: Different sizes available3.Blade: Single or double blades based on your requirement.4.Back: Steel mesh net or stainless steel mesh net for insect proof5.Finish: Powder coated or PVDF with any ...