Designed For T-Bar diffuser with 12 in. Neck (HT3D12/HT3D12I).Dual flap butterfly design controlled by one handle.Damper access through center hole with plug.
- For use with Venti T-Bar, Drop Ceiling, Lay in diffusers with 12 in. collar
- Made of steel and powder coated in black for durability and glossy finish
- Black powder coating makes them almost invisible after installation
- If needed they are easy to paint over











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