24"W X 34"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 25.75"W X 35.75"H] Color_R-4.2 Yellow + Product Details Size – 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
+ Product Details Size – 10" x 30" or 30" x 10" is the size for the duct opening measurement only
And Meets/Beats ASTM B280 Standard
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+ Product Details Size – 20" x 20" is the size for the duct opening measurement only
75" width X 31
24"W X 34"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 25.75"W X 35.75"H] Color_R 4.2 Yellow + Product Details Size – 4 X 12 Is CRFG2028 Width_14in + Product Details Size – 10" x 30" or 30" x 10" is the size for the duct opening measurement only And Meets Beats ASTM B280 Standard