Double deflection ventilation grilles

Double deflection ventilation grilles with damper for Spiral Ducts. Double deflection grille incorporating a volume control damper on the rear it is opposed blade multi blade construction and can be adjusted to control air volume from the grille face externally when in situ.

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Ductmann Spiral Tube and Fittings are a leading manufacturer and supplier of:

Ductmann Spiral Tube and Fittings are a leading manufacturer and supplier of: