Registers & Grilles

Single Deflection Grilles

Holyoake single-deflection grilles and registers comprise a single set of louvers for adjusting horizontal or vertical deflection.

  • Front louver blades are available as either parallel to the long dimension (SDL) or parallel to the short dimension (SDS).
  • 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.
Accessory Manuals