Stainless steel return / exhaust grilles & registers shall be Anemostat model SS3 (3/4" blade spacing - stainless steel) fixed blade, non-adjustable grilles as scheduled. Provide sizes, mounting types, and 304 or 316 alloy, as scheduled. For surface mounting applications, countersunk mounting holes shall be provided in the border, with oval head screws also provided by the grille manufacturer.  

Blades shall be on 3/4" spacing, and shall run horizontal or vertical (short or long dimension) as shown. Blades shall be positioned at 0° or 45° deflection angles. Corners shall be welded or staked for neat, uniform mitered corners.

Where scheduled, include stainless steel opposed blade volume control dampers.

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