Venti Air 6 in. round butterfly damper for T-Bar, Drop Ceiling, Lay in diffusers with 6 in. collar

• Designed For T-Bar diffuser with 6 in. Neck (HT3D06/HT3D06I)
• Dual flap butterfly design controlled by one handle
• Damper access through center hole with plug

Butterfly style damper is designed for Venti T-Bar diffusers. The damper allows for control of air flow with nylon screw mechanism. Damper is accessible through the opening in diffuser.