Nanhai Animal By-Products Imp. & Exp. Company Limited Of Guangdong |
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Outside air louvers are made from aluminum extrusions having a crimped and welded frame. They provide weather protection of outside air or discharge openings to allow free passage of air. Standard sizes: 150x150, 200x200, 230x180, 250x250, 350x350, 400x400 Standard colour: natural anodize or powder coated white.
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