VENTILATION GRILLES, MADE OF GALVANISED SHEET STEEL, WITH INDIVIDUALLY ADJUSTABLE, VERTICAL BLADES, FOR INSTALLATION INTO RECTANGULAR DUCTS
Ventilation grille with droplet shaped blades
Nominal sizes 225 × 75 to 1225 × 325 mm
Volume flow rate range 11 – 1305 l/s or 40 – 4698 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
Installation subframe
Attachments for volume flow rate balancing and air direction control