VENTILATION GRILLES, MADE OF GALVANISED SHEET STEEL, WITH INDIVIDUALLY ADJUSTABLE, VERTICAL BLADES, FOR INSTALLATION INTO CIRCULAR DUCTS
Ventilation grille with droplet shaped blades
Nominal sizes 225 × 75 – 1225 × 225 mm
Volume flow rate range 11 – 930 l/s or 40 – 3348 m³/h
Grille face made of galvanised sheet steel
Front border with countersunk holes, 27 mm wide
Optional equipment and accessories
Grille face in RAL CLASSIC colours
Attachments for volume flow rate balancing and air direction control