16"W X 25"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 17.75"W X 26.75"H] Copper Coil-Insulated Line Set function () { const item Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

function () { const item = this

+ Product Details Size - 34"w X 30"h is the size for the duct opening measurement only

+ Product Details Size - 12"w X 30"h is the size for the duct opening measurement only

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+ Product Details Size - 6"w X 28"h is the size for the duct opening measurement only

16"W X 25"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 17.75"W X 26.75"H] Copper Coil Insulated Line Set function () { const item Compatible With Duct 7in Applications This sheet metal DDAG A 1212 function () { const item = this + Product Details Size 34"w X 30"h is the size for the duct opening measurement only