Anemostat Free Flo™ and Pro Jet™ linear/curved slot diffusers shall be furnished and installed by the contractor according to architectural/mechanical drawings. The manufacturer shall provide submittal drawings utilizing exact dimensions specified by architectural drawings.

The linear slot diffusers shall consist of heavy wall extruded aluminum outer frames, adjustable and removable air pattern controllers, and inverted T-members. Steel outer frames, inverted T-members, and pattern controllers will not be accepted. Non-removable inner T-members and pattern controllers also will not be accepted.

The diffusers shall be specifically designed to integrate into the ceiling system in which they are installed. Where continuous runs are required, the slot diffusers shall include keyways to accept concealed coated steel alignment strips between sections to correct for misalignment. Alignment strips are to be furnished by the diffuser manufacturer. Where applicable, concealed mounting brackets shall be provided for attaching the diffusers to the air plenums. The attaching screws and mounting brackets shall not be visible after installation of the pattern/volume controllers. Mounting brackets shall be minimum 18 ga coated steel with stiffeners and shall consist of a single piece spanning across the entire width of the diffuser.

For exposed flange applications, the face shall be painted factory white. For concealed flange applications, the face shall be painted black. Architect specified colors will also be available. Internal pattern controllers shall be black.

Diffusers designated as Free Flo™ shall utilize air pattern controllers that are fully adjustable. Adjustment shall allow for air volume balancing and directional control from horizontal to vertical. The diffusers shall be mounted in the ceiling or sidewall, and shall be adjusted for both the pattern and airflow volume as shown on the plans.

Diffusers designated as Pro Jet™ shall utilize a variable nozzle that is fully adjustable. Adjustment shall change flow area for air volume balancing and resultant throw distance. The nozzle shall be capable of shutoff, if required. The diffusers shall be mounted in the ceiling or sidewall, and shall be adjusted for airflow volume as shown on the plans.

All diffusers shall be certified as to performance data as tested in accordance with ASHRAE standard 70-91.

Diffuser manufacturer shall provide blank-off plates, air plenums, light shields, mitered corners, and any other accessories as indicated in the schedule, as shown on the plans.