◆ Texture of material: Aluminum alloy / stainless steel
◆ Blade characteristics: Large leaf 45 ° return leaf
◆ Outer frame: Fixed (round)
◆ Optional accessories: nylon filter, fiber cotton filter, miter gate
◆ Surface treatment: electrostatic spraying / anodizing
It has the function of preventing direct blowing. The louver is fixed on the outer frame, often used together with the filter screen, and installed on the side wall or ceiling. It is mostly used for indoor return air, such as wash room, toilet, return air elevator pipe and inspection port decoration, and also can be used for the vent of the outer wall of buildings such as warehouse.
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