Heavy Duty Double Deflection Grille

For supply air, having double set of fully adjustable vanes to give directional control of the air pattern in four directions if required. Suitable for wall, duct and ceiling mounting.


From Extruded aluminium sections, frame 1.6mm thick, vanes 8mm thick. Hairline mitres mechanically held. Optional OBD is of extruded aluminium.

Size and Weight

From 100 x 100 to 1200 x 1200 in 25mm increments. Face mullions are incorporated when width exceeds 1200mm.

Grille only 25kg/m2, Grille + OBD 34kg/m2

Free area approximately 80%

Spec with NBS Chorus
Heavy duty double deflection grille product image
Heavy Duty Double Deflection Grille

Grille range

High Security Grille product image
Security Grille

Security Grille

Stainless steel type complies with Home office recommendations for Anti-ligature applications. For supply, air transfer/extract applications.