Round Quadrant - Volume Damper | Round Damper Ring | 12" Galvanized Steel Metal Round Duct Ring is Compatible with Duct 12" Height_10in Built to Last Our bag

Built to Last Our bag features a waterproof molded base

Actual Filter Size – 33 3/4"w x 17 3/4" x 1"

+ Product Details Size - 26"w X 20"h is the size for the duct opening measurement only

Ideal for Walls & Ceilings: Designed for seamless installation in standard 16" X 6" duct openings

Actual Filter Size – 33 3/4"w x 33 3/4" x 1"

Round Quadrant - Volume Damper | Round Damper Ring | 12" Galvanized Steel Metal Round Duct Ring is Compatible with Duct 12" Height_10in Built to Last Our bag+ 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