10"W X 16"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 11.75"W X 17.75"H] w20h20 75" width X 29 Compatible With Duct 7in Applications This sheet metal DDAG-A-1212
Yard notes & kiln story
Description
75" width X 29
Measure the size of the air duct/drywall opening
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+ Product Details Size - 20"w X 20"h is the size for the duct opening measurement only
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10"W X 16"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 11.75"W X 17.75"H] w20h20 75" width X 29 Compatible With Duct 7in Applications This sheet metal DDAG A 1212 75" width X 29 Measure the size of the air duct drywall opening