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Product Description
     Single-layer adjustable louvers can be used directly with wind coil or at the end of central air-conditioning system. The angle of blade can be adjusted arbitrarily between 0-180 degrees to get different air supply distance and different diffusion angle. It can also be equipped with OBD miter to control the air volume and wind speed in an appropriate range. The configurable filter screen can be used as return air. On the original basis it can be made into hinged single-layer adjustable louvers or single-layer adjustable louvers with gallbladder removal. Please specify the direction of the louvers when ordering.            Double-layer adjustable louvers can be used directly with the wind coil or at the end of the central air conditioning system. The blade angle can be adjusted between 0-180 degrees to get different air supply distance and different diffusion angle. The OBD miter can also be used to control the air volume and wind speed in an appropriate range. It can also be equipped with filter screen for return air. On the basis of the original it can be made into hinged double-layer adjustable louvers or when ordering please specify the direction of the blade and disassemble the biliary double-layer adjustable louvers.            It is suitable for indoor air return. The product has two sets of frames which are of valve structure. The inner and outer frames of the grille are opened and bolted by the screw cap on the front. It is more convenient to use and beautiful in appearance. A removable aluminium frame filter is embedded behind the grille to pre-filter the ventilation and air conditioning system. It has the characteristics of easy cleaning and long service life.            Door hinged fixed louvers also known as open grille tuyeres add an inner frame on the basis of single-layer fixed louvers the whole tuyere is in the form of a valve and the blade opens freely between the border. Usually used with a filter installed on the side hill or ceiling mostly for indoor air return.            Single-layer fixed louvers also known as side-