Assignment
This type of grilles is used in supply and exhaust ventilation and air conditioning systems, designed for outdoor installation in air ducts or building openings in premises of various types and purposes.
Design and materials
The external grille is stamped from cast aluminium and has high strength. All external grilles are equipped with a bird and rodent mesh with cell size 10x10mm. The round grille is fixed with self-tapping screws. Mounting flange of a round grille is made in cone shape for ease of installation. Not painted, grey colour.
