Hvac Hart & Cooley Hart & Cooley Dampers | 12″ Steel Butterfly Damper With Ring

Features:

• All-Steel Construction
• Controls Air Volume Evenly Over Entire #16 Diffuser
• Removable Knob Operator For Adjustment From Closed To Fully Open
• Golden Sand Enamel Finish

Knob Permits Diffuser To Be Held In Position While Attaching Face Screws.