32"W X 20"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 33.75"W X 21.75"H] Adjustable Return + Product Details Size - 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
32"W X 20"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 33.75"W X 21.75"H] Adjustable Return + Product Details Size 4 X 12 Is CRFG2028 Width_14in + Product Details Size 16"w X 6"h is the size for the duct opening measurement only width: 100%