Two sets of louver blades. Front set parallel to long dimension. Rear set parallel to short dimension. All louver blades individually adjustable for any degree of deflection.
Double Deflection Supply Air Registers shall be Holyoake High Velocity Model DDL-32 and shall be of extruded aluminium construction, with 32mm True Airfoil Shaped individually adjustable Horizontal Front and Vertical Rear Blades of no greater than 32mm centres for positive directional control at high velocity. Double Deflection Supply Air Registers shall be finished in powdercoat and fitted with accessories and dampers where indicated as manufactured by Holyoake.