24"W X 10"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 25.875"W X 11.875"H] 10in diameter + Product Details Size –

+ Product Details Size – 12" x 18" or 18" x 12" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 24 5/8" width X 8 5/8" height

+ Product Details Size – 20"w X 4"h is the size for the duct opening measurement only

+ Product Details Size - 36"w X 12"h is the size for the duct opening measurement only

24"W X 10"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 25.875"W X 11.875"H] 10in diameter + Product Details Size –+ Product Details Size 24"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 875" width X 11. 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