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Due to a high volume of orders there will be a 2 week delay in all custom manufactured ductwork. This includes all rectangular ductwork, grille boxes, and fabricated round fittings. This does not affect our stock items. We apologise for any inconvenience may cause.

Double Deflection Grilles with Damper

Ventilation Ducting  | Ventilation Grilles & Louvres | Grilles & Louvres Stock | Double Deflection Grilles |  Double Deflection Grilles with Damper



Double deflection grilles are primarily designed as supply grilles. They can be used in walls, ceilings, or installed directly into ductwork. They have two banks of movable blades set 90° to each other which allows for a great deal of directional adjustment and throw variation. Adjustment can be made by directly turning the blades by hand.

The damper fitted to the rear of the grille allows for volume control and can be adjusted using a screwdriver on the worm screw located through the front face and to one corner. Typically a clockwise turn will open the damper.

Listed sizes are nominal and refer to duct/aperture size; they do not include the flange. For overall size add 45mm.

100x100mm Double Deflection Grille with Damper
BDDG-D100-100



12.24 (Excluding VAT at 20%)





Quantity:


100x100mm Double Deflection Grille with Damper

150x150mm Double Deflection Grille with Damper
BDDG-D150-150



15.13 (Excluding VAT at 20%)





Quantity:


150x150mm Double Deflection Grille with Damper

200x200mm Double Deflection Grille with Damper
BDDG-D200-200



18.52 (Excluding VAT at 20%)





Quantity:



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200x200mm Double Deflection Grille with Damper

250x250mm Double Deflection Grille with Damper
BDDG-D250-250



23.50 (Excluding VAT at 20%)





Quantity:


250x250mm Double Deflection Grille with Damper

300x300mm Double Deflection Grille with Damper
BDDG-D300-300



27.62 (Excluding VAT at 20%)





Quantity:


300x300mm Double Deflection Grille with Damper

400x400mm Double Deflection Grille with Damper
BDDG-D400-400



39.38 (Excluding VAT at 20%)





Quantity:


400x400mm Double Deflection Grille with Damper

500x500mm Double Deflection Grille with Damper
BDDG-D500-500



53.60 (Excluding VAT at 20%)





Quantity:


500x500mm Double Deflection Grille with Damper

550x550mm Double Deflection Grille with Damper
BDDG-D550-550

Standard tile replacement size.


69.84 (Excluding VAT at 20%)





Quantity:


550x550mm Double Deflection Grille with Damper

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