This completes the fireplace channel, with warm air distributed by gravity or mechanically. It is installed on the wall of the chimney. The construction of the Luft grill is characterized by having a covered air inlet. During the installation of the grill, attention must be paid to its direction. If the fireplace grill is installed, the air inlets should be at the bottom, while the outlet's contribution should be at the top. This ensures proper circulation of warm air. The grills are powder-coated, which is characterized by color durability and heat resistance. Additionally, the coating of the grill provides protection against mechanical damage.