HVAC Premium Round Quadrant - Volume Damper | Round Damper Ring | 14" Galvanized Steel Metal Round Duct Ring is Compatible with Duct 14" Floor Grille Toe Space Ideal for Walls & Ceilings: Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

Ideal for Walls & Ceilings: Designed for seamless installation in standard 18" X 12" duct openings

ensuring secure closure and easy access

+ Product Details Size - 22"w X 30"h is the size for the duct opening measurement only

This product features a 120-degree plane bend

these louvers are built to last

HVAC Premium Round Quadrant Volume Damper Round Damper Ring 14" Galvanized Steel Metal Round Duct Ring is Compatible with Duct 14" Floor Grille Toe Space Ideal for Walls & Ceilings: Compatible With Duct 7in Applications This sheet metal DDAG A 1212 Ideal for Walls & Ceilings: Designed for seamless installation in standard 18" X 12" duct openings ensuring secure closure and easy access