14"W X 10"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 15.75"W X 11.75"H] Color_R-4.2 Yellow } /* LIST SPACING */ Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

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but you will appreciate the benefits over the period of time

+ Product Details Size - 14"w X 4"h is the size for the duct opening measurement only

+ Product Details Size – 4"w X 12"h is the size for the duct opening measurement only

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14"W X 10"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 15.75"W X 11.75"H] Color_R 4.2 Yellow } * LIST SPACING * Compatible With Duct 7in Applications This sheet metal DDAG A 1212 } * LIST SPACING * #hvac product accordion li { margin bottom: 16px but you will appreciate the benefits over the period of time