40"W X 6"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 41.75"W X 7.75"H] Brown + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size - 22"w X 8"h is the size for the duct opening measurement only

polished appearance that adds elegance to any room

+ Product Details Size - 22"w X 4"h is the size for the duct opening measurement only

We carry sizes the big box stores don't

+ Product Details Size – 24" Wooden Corner Baseboard Grille

40"W X 6"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 41.75"W X 7.75"H] Brown + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 22"w X 8"h is the size for the duct opening measurement only polished appearance that adds elegance to any room