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 Installing the plaster frame is

Installing the plaster frame is effortless – secure it into your sheetrock

+ Product Details Size – 26" x 36" or 36" x 26" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 18

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

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 Installing the plaster frame is+ 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