Registers & Grilles

Double Deflection Grilles

Holyoake double-deflection grilles and registers comprise two sets of louvers for adjusting both horizontal and vertical deflections.

  • Front louver blades are available as either parallel to the long dimension (DDL) or parallel to the short dimension (DDS) with the rear blades in the adjacent orientation.
  • Two blade spacing options are available: 20mm or 32mm.
  • All louver blades are individually adjustable for any degree of deflection.
  • Available with the Removable Core (RC) frame system to enable ease of access to the grille and duct for cleaning and maintenance purposes.
  • Rear optional Opposed Blade Damper (OBD) for airflow control screwdriver operated from face of register.
  • Modular option (MDD) is available for extended pattern adjustment, enabling greater airflow control.
Accessory Manuals
Revit Files