26"W X 20"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 27.75"W X 21.75"H] w8h8 High Quality – High-quality rust-free Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

High Quality – High-quality rust-free

+ Product Details Size – 10" X 4" is the size for the duct opening (floor/vent hole) measurement only

creating a quiet and efficient environment

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

+ Product Details Size - 32"w X 34"h is the size for the duct opening measurement only

26"W X 20"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 27.75"W X 21.75"H] w8h8 High Quality – High quality rust free Compatible With Duct 7in Applications This sheet metal DDAG A 1212 High Quality – High quality rust free + Product Details Size – 10" X 4" is the size for the duct opening (floor vent hole) measurement only