12"w X 6"h [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 7.75"H] (Copy) Sheet Metal Fittings Ideal for Walls & Ceilings: 4 X 12 Is CRFG2028 Width_14in

Ideal for Walls & Ceilings: Designed for seamless installation in standard 24" X 6" duct openings

ensuring exceptional durability and performance for HVAC duct installations

you can quickly adjust airflow for year-round comfort

Filter Size - 17

actual front end outer dimensions are approximately 27 5/8" width X 34 5/8" height

12"w X 6"h [Duct Opening] 1 Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 7.75"H] (Copy) Sheet Metal Fittings Ideal for Walls & Ceilings: 4 X 12 Is CRFG2028 Width_14in Ideal for Walls & Ceilings: Designed for seamless installation in standard 24" X 6" duct openings ensuring exceptional durability and performance for HVAC duct installations