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Supply Grilles

21-DVC Installed on Circular Duct

21-DVC Duct Mounted Double Deflection

Grilles 21-DVC
Double deflection, type DVC

The grilles may be with single or double deflection, the first deflection being always with vertical blades. A metallic mounting frame does not exist for this type. In all descriptions of the grille dimensions it is understood that the first dimension is the length and the second the height.