Contractor shall furnish and install Anemostat CM-1 air diffusers as manufactured by Anemostat Products Division at each point indicated on the plans. These air diffusers are to consist of four expanding and diverging hollow cones with closed beads.

The cones shall be arranged to provide a minimum of three air paths which shall simultaneously diffuse the air within the occupied zone within the limits of 20 to 50 fpm, and aspirate room air within the passageways in a volume up to 25 percent of specified discharge volume.

The inner assembly shall be removed from the outer cone by a twist of the inner cones without the use of any tools. A spring lock shall prevent unintentional removal of the inner assembly.

The air diffuser shall be steel, painted arctic white.