Round Quadrant - Volume Damper | Round Damper Ring | 12" Galvanized Steel Metal Round Duct Ring is Compatible with Duct 12" Height_18in electrical components

electrical components

+ Product Details Size - 20"w X 10"h X 2"d (for duct opening measurement only)

A: Black Grilles Always Look Sharp And Never Show Dirt & Dust Marks

and the full outer portion is double layered

Ideal for Walls & Ceilings: Designed for seamless installation in standard 24" X 8" duct openings

Round Quadrant - Volume Damper | Round Damper Ring | 12" Galvanized Steel Metal Round Duct Ring is Compatible with Duct 12" Height_18in electrical components+ 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