20"W X 25"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 21.75"W X 26.75"H] Aluminum + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size - 20"w X 4"h is the size for the duct opening measurement only

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+ Product Description Maximize the efficiency of your ventilation system with our top-of-the-line HVAC grilles and registers

3/8" - 4223 PSI

with no sharp edges to worry about

20"W X 25"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 21.75"W X 26.75"H] Aluminum + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 20"w X 4"h is the size for the duct opening measurement only * was 8px * } * HEADER SPACING * #hvac product accordion