Round, double deflection supply grilles shall be Anemostat Model HLO as scheduled and where shown on the plans. The grille sizes shall be the diameter as shown, and shall connect to the round supply duct as shown.

The grilles shall be manufactured from aluminum material consisting of a spun, integral frame-neck construction.  Front and rear deflecting airfoil blades shall be extruded aluminum and shall attach to the spun outer frame with concealed screws.  Individually adjustable blades shall have a spacing of 1”. Pattern adjustment shall allow for air directional changes from 0 to 45°.  Grilles shall include factory applied gaskets where the grille contacts the mounting surface. Concealed mounting type shall be provided to eliminate visible screws from the face.

Where scheduled and as shown, provide optional steel or aluminum, face operated volume control dampers.

Finish shall be baked-on, high gloss Anemostat Bright White or custom color as specified by the Architect.