36"W X 12"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 37.75"W X 13.75"H] w22h22 plus { display: inline-block Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

plus { display: inline-block

+ Product Details Size - 16"w X 20"h is the size for the duct opening measurement only

Versatility and Durability: The red oak wood not only adds a touch of warmth and softness to your room but can also be sanded and refinished according to your specific application needs

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+ Product Details Size – 24"w X 10"h is the size for the duct opening measurement only

36"W X 12"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 37.75"W X 13.75"H] w22h22 plus { display: inline block Compatible With Duct 7in Applications This sheet metal DDAG A 1212 plus { display: inline block + Product Details Size 16"w X 20"h is the size for the duct opening measurement only