16" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 18 5/8" X 14 5/8"] 8in diameter actual front end outer dimensions Sheet Metal RG2016 FBA-HP actual front end outer

actual front end outer dimensions are approximately 18 5/8" width X 27 5/8" height

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+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 24" duct opening (measured at the opening)

Elevate your space with hassle-free functionality and experience superior ventilation today

+ Product Details Size - 26"w X 16"h is the size for the duct opening measurement only

16" X 12" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 18 5 8" X 14 5 8"] 8in diameter actual front end outer dimensions Sheet Metal RG2016 FBA HP actual front end outer actual front end outer dimensions are approximately 18 5 8" width X 27 5 8" height } * LIST SPACING * #hvac product accordion li { margin bottom: 16px