The grille is a stylish finishing for the ducts that distribute warm air from the fireplace. It is installed on a wall or fireplace enclosure using sleeves and flexible clips. This solution allows for quick assembly and disassembly, e.g., for cleaning procedures. The grille features a housing that allows for its installation on the wall. The classic and simple design of the grille makes it easy to adapt to any interior space, regardless of style. The grille, painted with electrostatic paint, becomes resistant to mechanical damage and high temperatures, while its color remains permanent and unchanged.