32" X 25" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 34 5/8" X 27 5/8"] Black + Product Details Size – 4 X 12 Is CRFG2028 Width_14in

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

actual front end outer dimensions are approximately 32 5/8" width X 8 5/8" height -

75" width X 15

+ Product Details Size - 8"w X 30"h is the size for the duct opening measurement only

7/8" Insulated Copper Coil Line - Seamless Pipe Tube for HVAC

32" X 25" Steel Return Air Filter Grille for 1" Filter Fixed Hinged [Outer Dimensions: 34 5 8" X 27 5 8"] Black + Product Details Size – 4 X 12 Is CRFG2028 Width_14in + Product Details Size – 10"w X 20"h is the size for the duct opening measurement only actual front end outer dimensions are approximately 32 5 8" width X 8 5 8" height