Extruded aluminum linear bar grilles / registers shall be model XR2 double deflection supply or model XR3 return units by Anemostat.  The grilles shall consist of an outer border or frame for surface mounting applications with a removable core.  Mounting holes shall be concealed and located inside the neck. Core bars shall be 1/8" wide on 1/4" maximum centers. The removable core shall be designed for rotation to achieve one of 4 possible air deflection angles – 5 or 15 degrees, up or down.  Additionally, a second set of individually adjustable blades shall be located behind the core to adjust the spread angle of the air discharge pattern. Matching return model XR3 shall have the same appearance and construction features as the supply, without rear deflecting blades.

Where scheduled, include opposed blade volume control dampers.

Provide a baked-on, arctic white finish.  (Optional – Provide a silhouette finish consisting of a satin anodize frame and black core with satin anodize front edges.)