38"W X 14"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 39.875"W X 15.875"H] Brown 75"H – fits a 24"

75"H – fits a 24" X 4" duct opening

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Easy Installation – Just pop the diffuser right into the wall duct hole and the side springs will hold it right into place so that it looks clean

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

actual front end outer dimensions are approximately 18

38"W X 14"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 39.875"W X 15.875"H] Brown 75"H – fits a 24"+ Product Details Size 38"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 39. 875" width X 15. 875" height. High Quality High quality aluminum with counter sunk screw holes (screws included) and no sharp edges. Design Unrestricted airflow For Your HVAC system noise free components no vibrating louvers etc. Powder Coat Finish Smooth, shiny, scratch resistant, beautiful. Looks like it was