28"W X 10"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 29.75"W X 11.75"H] Insulated Line Set + Product Details Size - 4 X 12 Is CRFG2028 Width_14in

+ Product Details Size - 20"w X 2"h is the size for the duct opening measurement only

How To Measure A Grille

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

+ Product Description Upgrade your HVAC system with our 5" Round Air Vent Supply Grille

Design – Premium plated finish and modern contempo design forming a luxurious & impressive piece for your home

28"W X 10"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 29.75"W X 11.75"H] Insulated Line Set + Product Details Size 4 X 12 Is CRFG2028 Width_14in + Product Details Size 20"w X 2"h is the size for the duct opening measurement only How To Measure A Grille