HVAC Premium Round Quadrant - Volume Damper | Round Damper Ring | 6" Galvanized Steel Metal Round Duct Ring is Compatible with Duct 6" Compatible With Duct 8in The edges are thoughtfully designed

The edges are thoughtfully designed for mud and flange installation

Its practical design facilitates easy installations

Actual Filter Size – 21 3/4"w x 17 3/4" x 1"

Design – The stick-on take-off helps you in heating

scratch-resistant surface that gleams like it's just been waxed

HVAC Premium Round Quadrant - Volume Damper | Round Damper Ring | 6" Galvanized Steel Metal Round Duct Ring is Compatible with Duct 6" Compatible With Duct 8in The edges are thoughtfully designed+ Product Details Size & Compatibility The 6" round quadrant volume damper is compatible with duct 6" 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