20"W X 8"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 21.75"W X 7.75"H] w8h8 + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size – 30"w X 8"h is the size for the duct opening measurement only

+ Product Details Size - 32"w X 20"h is the size for the duct opening measurement only

+ Product Spec Sheet Corner Baseboard Grille Spec Sheet

/* more vertical + left spacing */ } /* OPEN STATE */ #hvac-product-accordion

875" width X 15

20"W X 8"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 21.75"W X 7.75"H] w8h8 + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size – 30"w X 8"h is the size for the duct opening measurement only + Product Details Size 32"w X 20"h is the size for the duct opening measurement only