30" X 24" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 32 5/8" X 26 5/8"] w25h25 the gap will expand and Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

the gap will expand and retract to meet perfect air supply needed

+ Product Details Size - 32"w X 30"h is the size for the duct opening measurement only

+ Product Details Size - 10"w X 32"h is the size for the duct opening measurement only

+ Product Details Size – 22"w X 29"h is the size for the duct opening measurement only

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

30" X 24" Steel Return Air Filter Grille for 1" Filter Fixed Hinged [Outer Dimensions: 32 5 8" X 26 5 8"] w25h25 the gap will expand and Compatible With Duct 7in Applications This sheet metal DDAG A 1212 the gap will expand and retract to meet perfect air supply needed + Product Details Size 32"w X 30"h is the size for the duct opening measurement only