16"W X 20"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 17.75"W X 21.75"H] Material_Aluminum + Product Spec Sheet Aluminum 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
16"W X 20"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 17.75"W X 21.75"H] Material_Aluminum + Product Spec Sheet Aluminum 4 X 12 Is CRFG2028 Width_14in + Product Spec Sheet Aluminum Return Grille Spec Sheet + Product Details Size – 20"w X 10"h is the size for the duct opening measurement only