32"W X 36"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 33.75"W X 3775"H] Fixed Blades If your hole is 14" 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
If your hole is 14" wide by 20" tall
the actual front end outer dimensions are 7" in diameter
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5" - SEE BELOW IN DESCRIPTION How To Measure A Grille
+ Product Details Size - 25"w X 24"h is the size for the duct opening measurement only
32"W X 36"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 33.75"W X 3775"H] Fixed Blades If your hole is 14" 4 X 12 Is CRFG2028 Width_14in If your hole is 14" wide by 20" tall the actual front end outer dimensions are 7" in diameter