Material:Aluminum Alloy Opening Pattern:Vertical Blade Size:100MM/150MM/200MM/250MM/300MM/400MM/450MM Surface Treatment:Powder coated/PVDF/Anodized/Mill finish Color:Customized Colors Function:Sunproof / Air Ventilation / Decoration Application:Residential or Commercial buildings Max Span:6meters Guarantee:15~20 years for Aluminum alloy material Material Thickness:1.0/1.5/2.0/3.0/4.0mm Opening Pattern:Vertical and Horizontal Product name:motorized aluminum airfoil ellipse louver Show More