HVAC Premium Round Quadrant - Volume Damper | Round Damper Ring | 8" Galvanized Steel Metal Round Duct Ring is Compatible with Duct 8" Compatible with Duct 7" Actual Filter Size – 15

Actual Filter Size – 15 3/4"w x 7 3/4" x 1"

+ Product Details Size & Compatibility – The size of the wall angle register boot is 8" X 6" X 4" and it is compatible with duct 4"

If your filter opening is 14" wide by 20" long

Crafted from high-quality powder-coated steel

HVAC Premium Round Quadrant - Volume Damper | Round Damper Ring | 8" Galvanized Steel Metal Round Duct Ring is Compatible with Duct 8" Compatible with Duct 7" Actual Filter Size – 15+ Product Details Size & Compatibility The 8" round quadrant volume damper is compatible with duct 8" 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