Ventilation grille for pipe installation spiral duct DN 160-400 SGR

Use SGR ventilation grilles are designed for installation in round ducts (pipes). Mounting screws are included. The grid is designed so that its flange lies close to the surface of the channel, regardless of the diameter of the channel. The grille is made of galvanized steel and without spot welded joints. This means that it can be used without the use of any anticorrosion agent and its surface is designed exactly like the channel surface. The angle of inclination of the slat is manually adjustable. Material galvanized sheet material 425 x 75mm.
Material: galvanized sheet
Content: 1,00 pieces