Round non-adjustable grilles are used for supply and exhaust ventilation, in air conditioning and air heating systems. For installation in air ducts or in round wall openings. Grilles are used for decorative design of inlet and outlet openings of domestic and industrial ventilation channels. These grilles protect air ducts from precipitation and foreign objects, and are also used to distribute air flows.

No quality deterioration and changes in color are observed when the grilles used outdoors for a long time.

Grille is made of galvanized steel, and a galvanized steel mesh is installed on the back side.