Single or double deflection stainless steel supply grilles and registers shall be Anemostat Model 10 (single deflection), 20 (double deflection) with 3/4" blade spacing, manufactured from (304 stainless steel, 316 stainless steel), with sizes as scheduled.

The grilles shall consist of an outer border or frame, with face directional blades horizontal or vertical (short direction, long direction) as detailed. Blades shall be individually adjustable and designed to minimize noise and pressure loss, and shall consist of a roll formed, closed profile. Blades shall rotate smoothly without bending and include a friction design to hold blade position, and prevent rattling. Frame mounting holes shall be countersunk for oval head screws, provided by the grille manufacturer.

Where scheduled and as shown, provide optional stainless steel face operated opposed blade volume control dampers.

Finish shall be a satin-polished outer frame on exposed surfaces and 2B mill finish blades.