30"W X 36"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 31.75"W X 37.75"H] sidewall High Quality Copper Coil Meets/Beats Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

High Quality Copper Coil Meets/Beats ASTM B280 Standard for Air Conditioning and Refrigeration (Made From C12200 - 99

+Product Details Size – 2"h x 12"w is the size for the duct opening measurement only

[Outer Dimensions: 18

+ Product Details Size - 28"w X 36"h is the size for the duct opening measurement only

+ Product Details Size – 20"w X 10"h is the size for the duct opening measurement only

30"W X 36"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 31.75"W X 37.75"H] sidewall High Quality Copper Coil Meets Beats Compatible With Duct 7in Applications This sheet metal DDAG A 1212 High Quality Copper Coil Meets Beats ASTM B280 Standard for Air Conditioning and Refrigeration (Made From C12200 99 +Product Details Size – 2"h x 12"w is the size for the duct opening measurement only