SmartZone Zone Damper Round Professional-Grade

HVAC Zone dampers – heavy-duty, extreme reliability, Commercial-Quality. POWER OPEN, POWER CLOSE, 24VAC made in the USA by Ecojay SmartZone. Top quality high-torque motor from Belimo. Select 6 inch, 7 inch, 8 inch, 9 inch, 10 inch, 12 inch, 14 inch, or 16 inch round.