4"W X 22"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 5.75"W X 23.75"H] w14h14 + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size - 34"w X 18"h is the size for the duct opening measurement only

+ Product Details Size - 32"w X 28"h is the size for the duct opening measurement only

+ Product Details Size - 12"w X 16"h is the size for the duct opening measurement only

+ Product Description When it's time to upgrade your HVAC Vents in your house

} /* LIST SPACING */ #hvac-product-accordion li { margin-bottom: 16px

4"W X 22"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 5.75"W X 23.75"H] w14h14 + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 34"w X 18"h is the size for the duct opening measurement only + Product Details Size 32"w X 28"h is the size for the duct opening measurement only