Holyoake curved frame deflection grilles have been specifically designed to allow the double- and single-deflection grilles to mount directly onto Holyoake Spiro-Loc rigid round ducting.
Curved Frame Deflection Grilles – Duct Mounted
Front louver blades are parallel to the long dimension, with the rear blades parallel to the short dimension on the double deflection grille.
Blade spacing only available in 20mm.
All louver blades are individually adjustable for any degree of deflection.
Rear optional Opposed Blade Damper (OBD) for airflow control screwdriver operated from face of register.