aluminum ventilation grill / steel / square
Designed primarily as a supply diffuser, Series CB curved blade grilles provide an unconventional appearance with excellent diffusion capabilities, allowing narrow or wide throws to be created, in multiple directions. Available in 5 throw formats, and with a range of options including opposed blade dampers and concealed fixings.
Materials: Extruded aluminium frame and blade
Frame held together using punched in steel corners
Blades secured with high tensile spring wire and starlock washers
Mullions: Central mullion on any unit above 900 mm wide (CB1 & CB2O).
Mass / m2 face area:
16.5 kg including opposed blade damper (optional)
Free area: Approx. 90% maximum