HVAC Premium Round Quadrant - Volume Damper | Round Damper Ring | 7" Galvanized Steel Metal Round Duct Ring is Compatible with Duct 7" Height_22in MERV 8 is the most

MERV 8 is the most reccomeded level of filteration by industry professionels

High Quality – Strong and sturdy aluminum built to last

75"H – fits a 10" x 8" duct opening

+ Product Details Size - 40"w X 16"h is the size for the duct opening measurement only

+ Product Details Size – 22" x 36" or 36" x 22" is the size for the duct opening measurement only

HVAC Premium Round Quadrant - Volume Damper | Round Damper Ring | 7" Galvanized Steel Metal Round Duct Ring is Compatible with Duct 7" Height_22in MERV 8 is the most+ 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