14"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 15.75"W X 19.75"H] w6h6 preventDefault() Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

preventDefault()

+ Product Details Size - 20"w X 8"h is the size for the duct opening measurement only

+ Product Details Size – 6" x 30" or 30" x 6" is the size for the duct opening measurement only

+ Product Details Size - 24"w X 30"h is the size for the duct opening measurement only

+ Product Details Size - 26"w X 36"h is the size for the duct opening measurement only

14"W X 18"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 15.75"W X 19.75"H] w6h6 preventDefault() Compatible With Duct 7in Applications This sheet metal DDAG A 1212 preventDefault() + Product Details Size 20"w X 8"h is the size for the duct opening measurement only