26" X 18" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 28 5/8" X 20 5/8"] RV Mobile Home box-shadow: 0 2px 4px rgba(0

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Actual Filter Size – 19 3/4"w x 27 3/4" x 1"

4" X 14" Brass Victorian Floor Register Grille - Modern Contempo Decorative Grate - HVAC Vent Duct Cover - Brass Plated

actual front end outer dimensions are approximately 22 5/8" width X 14 5/8" height

actual front end outer dimensions are approximately 26 5/8" width X 12 5/8" height

26" X 18" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 28 5/8" X 20 5/8"] RV Mobile Home box-shadow: 0 2px 4px rgba(0+ Product Details Size 26"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 28 5 8" width X 20 5 8" height Actual Filter Size 25 3 4"w x 17 3 4" x 1" High Quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter.