The Holyoake Series CPS and CPR perforated supply and return diffusers are designed for ceiling installation in heating, cooling and ventilating applications.
Perforated Return Air Diffusers shall be Holyoake Model CPR of an extruded aluminium frame with perforated steel core, removable core in extruded aluminium sub-frame. Diffusers shall be finished in powder coat and fitted with accessories and dampers where indicated as manufactured by Holyoake.