14" X 30" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 16 5/8" X 32 5/8"] Adjustable Return + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

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

#hvac-product-accordion { border: 2px solid #5296DD

+ Product Details Size - 18"w X 8"h is the size for the duct opening measurement only

Mounted with a frame and bayonet joint

actual front end outer dimensions are approximately 20 5/8" width X 12 5/8" height

14" X 30" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 16 5 8" X 32 5 8"] Adjustable Return + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size – 24"w X 24"h is the size for the duct opening measurement only #hvac product accordion { border: 2px solid #5296DD