HVAC Premium Round Quadrant - Volume Damper | Round Damper Ring | 7" Galvanized Steel Metal Round Duct Ring is Compatible with Duct 7" white + Product Details Size &

+ Product Details Size & Compatibility – The 8" galvanized sheet metal round to oval elbow boot is compatible with duct 8"

Extra Strong Frame – Our frames are the strongest on the market

Scratch-Resistant Finish - The powder-coated surface offers a smooth

For 6" Round Duct Opening - Spiral or Flex

HVAC Premium Round Quadrant - Volume Damper | Round Damper Ring | 7" Galvanized Steel Metal Round Duct Ring is Compatible with Duct 7" white + Product Details Size &+ Product Details Size & Compatibility The 7" round quadrant volume damper is compatible with duct 7" Superior Quality Made in the USA. Our manual adjuster damper quadrant is made of high quality galvanized sheet metal with crimped ends (snap lock design) for easy fitting and secure connection Applications This circular volume control damper plate is used to stops or regulates the flow of air inside a duct, chimney, vav box, air handler, or other air