La description

F-DB-A, a new style of supply air grille with adjustable blades, based on the general supply air grille, it adopts aerodynamic theory and industrial design. this aluminum grille has two models: double-layer(FDB-A) and single-layer(FSB-A). Generally, the double-layer products' design is: short blades in the face while long blades in the back; for single-layer products, blades are parallel to the short side of the frame. Aim to reduce the air-flow resistance and noise. The blades are streamlined design. With the detachable core, it is easy to install and clean, suitable for the central air-conditioning system