First, the product description for the end of the single-Grille air conditioning system can be used as return air can also be used for air. Second, the structure of aluminum alloy outer frame installation activities adjustable louvers, blades can be from 0 to 90. Within the scope of regulation, the blade parallel to the short side of the frame, there are parallel to the long side of the frame, rear silencer configuration and damping layer in order to achieve the purpose of filtering. Third, the product leaves and frame material is aluminum alloy, damping layer of nylon mesh. Fourth, the production process is cutting aluminum extrusions, welded into the frame, the installation of the blade assembly, surface anodized; also available for electrostatic spray paint or according to user requirements, the outer surface of the color can be decorated according to the needs of the configuration of different colors within UVS pigment containing light stabilizers, do not fade, do not change color with UV capability, ensuring life of twenty years. Fifth, the difference between single-Grille direction of the air flow regulator single and double Grille Grille is one-dimensional, that is one of the two directions perpendicular to the upper and lower level is not so, but the direction of air flow regulator of double Grille is two-dimensional, with two left upper and lower horizontal and vertical directions. undefined six, single Grille Applications This series of products are usually mounted on the side wall of the pipe or outlet for the side. Double Grille has two adjustable angle of the moving blades, short blades for regulating air flow diffusion angle , can also be used to change the direction of airflow; long wings can adjust the blowing airflow attached ceiling or pour a certain angle (when the fan heater) outer blades or vanes monolayer Grille Grille of bilayer. parallel to the long side can also be parallel to the short side, you can choose according to the customer's requirements. Seven characteristics of a single-Grille, single adjustable blade, get a different air diffusion distances and different angles 2, As the outlet and return air 3, optional aluminum or iron production 4, respectively outlet valve used in conjunction with 5, when the return air can be made to open the structure, used in conjunction with filters