Our spiral duct grilles are designed for direct installation onto circular ductwork, providing effective air distribution while maintaining a clean, professional finish. Ideal for exposed duct systems in commercial, industrial, and retail environments, they offer a practical and visually neat solution for supply or extract air applications.
They are manufactured from galvanised mild steel and have a similar appearance to the duct itself.
Available in single or double deflection.
Single deflection – vertical blades only, adjustable for direction.
Double deflection – adjustable for direction vertical and horizontal blades.
Sizes:
325 x 75
425 x 75
425 x 125
525 x 75
525 x 125
625 x 75
625 x 125
625 x 225
They come in mill finish as standard with fixing screws but can be powder-coated on request.
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