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Ventilation grille the type external grille(sometimes called as weather louver) is designed to take in air from the exterior or to exhaust used air for comfort zones and industrial zones. Ready-to-install component which consists of a border and fixed weather proof designed blades. They are very strongly built and resistant to aggressive climatic conditions, for outdoor installation. The weatherproof louver is usually used on the outside of walls to offer fresh air ventilation. It's a rain proof louver with specially designed blades .The weather proof lovuer design also gets a mesh to avoiding the insects' entering into rooms,Wire mesh is optional.
Product feature
(1)Blades are weather proof design to prevent rains from outside. (2)For installation in walls. (3)For installation in ceilings. (4)Made of extruded aluminum, powder coated.
(5)Concealed clip fixing or countersunk holes screw fixing.
(6)With galvanized insect mesh 4×4 fixed to the back side of the grille.
(7)The air isn't able to flow into room if the indoor pressure is smaller than outdoor pressure. It has single-track non-return function.
The product has a low environmental impact through its entire lifecycle. It does not produce any radioactive substance that will do harm to both people and the environment. This product can withstand extreme temperature variations.
The product is one of the best construction materials as it does not put any strain on the walls or the base of the building. This product can withstand extreme temperature variations.