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] w8h8 actual front end outer dimensions

actual front end outer dimensions are approximately 26 5/8" width X 20 5/8" height

Actual Filter Size – 27 3/4"w x 9 3/4" x 1"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 18" x 12" OR 12" X 18" duct opening (measured at the opening)

actual front end outer dimensions are approximately 16 5/8" width X 16 5/8" height

+ Product Details Size - 6"w X 24"h X 2"d (for 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] w8h8 actual front end outer dimensions+ 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