14"W X 8"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 15.875"W X 9.875"H] 8in diameter Design – Individually adjusting curved 4 X 12 Is CRFG2028 Width_14in

Design – Individually adjusting curved blades for better air flow control

Outer Dimensions Are 17

actual front end outer dimensions are approximately 30 5/8" width X 16 5/8" height -

actual front end outer dimensions are approximately 10 5/8" width X 34 5/8" height

+ Product Details Size - 12" X 12" is the size for the duct opening measurement only

14"W X 8"H [Duct Opening] ALUMINUM RETURN GRILLE EASY AIR FLOW LINEAR BAR GRILLES [OUTER DIMENSIONS: 15.875"W X 9.875"H] 8in diameter Design – Individually adjusting curved 4 X 12 Is CRFG2028 Width_14in Design – Individually adjusting curved blades for better air flow control Outer Dimensions Are 17