28"W X 16"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 29.875"W X 17.875"H] Copper Coil font-size: 16px 4 X 12 Is CRFG2028 Width_14in

font-size: 16px

actual front end outer dimensions are approximately 34 5/8" width X 12 5/8" height -

+ Product Details Size - 10" X 10" is the size for the duct opening measurement only

providing the flexibility to match specific ventilation requirements or personal comfort levels

+ Instructions for Pump Installation and Maintenance Pre-Installation Checks

28"W X 16"H [Duct Opening] ALUMINUM RETURN GRILLE Easy Air Flow Linear Bar Grilles [Outer Dimensions: 29.875"W X 17.875"H] Copper Coil font size: 16px 4 X 12 Is CRFG2028 Width_14in font size: 16px actual front end outer dimensions are approximately 34 5 8" width X 12 5 8" height