22"W X 26"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 23.75"W X 27.75"H] Brown Complies with industry standards of 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
Complies with industry standards of USA: ASTM D-882
Available in both standard and custom sizes
+ Product Details Size – 6"w X 12"h is the size for the duct opening measurement only
order a 20x14 grille
+ Product Details Size - 14"w X 12"h is the size for the duct opening measurement only
22"W X 26"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 23.75"W X 27.75"H] Brown Complies with industry standards of 4 X 12 Is CRFG2028 Width_14in Complies with industry standards of USA: ASTM D 882 Available in both standard and custom sizes