Round Quadrant - Volume Damper | Round Damper Ring | 12" Galvanized Steel Metal Round Duct Ring is Compatible with Duct 12" Height_12in + Product Details Size -

+ Product Details Size - 6"w X 24"h is the size for the duct opening measurement only

GPH @ 1 FT: - 10

built for durability and long life in mind

Achieve superior control over your indoor airflow for a more comfortable space

Round Quadrant - Volume Damper | Round Damper Ring | 12" Galvanized Steel Metal Round Duct Ring is Compatible with Duct 12" Height_12in + Product Details Size -+ Product Details Size & Compatibility The 12" round quadrant volume damper is compatible with duct 12" 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