30" X 14" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 32 5/8" X 16 5/8"] Copper Coil + Product Details Size - RG2230 HP w4h4 const modal document

+ Product Details Size - 34"w X 24"h is the size for the duct opening measurement only

DIY projects

actual front end outer dimensions are approximately 20 5/8" width X 32 5/8" height -

+ Product Details Size – 10" x 24" or 24" x 10" is the size for the duct opening measurement only

+ Product Details Size - 28"w X 34"h is the size for the duct opening measurement only

30" X 14" Steel Return Air Filter Grille for 1" Filter Removable Frame * Filter Included * [Outer Dimensions: 32 5 8" X 16 5 8"] Copper Coil + Product Details Size RG2230 HP w4h4 const modal document + Product Details Size 34"w X 24"h is the size for the duct opening measurement only DIY projects