30" x 30" Cube Core Eggcrate Return Air Grille Copper Coil-Insulated Line Set accordion dt { margin-bottom: 10px Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

accordion dt { margin-bottom: 10px

+ Product Details Size – 24"w X 22"h is the size for the duct opening measurement only

And One Towards The Bottom Of The Door

+ Product Details Size – 24" x 36" or 36" x 24" is the size for the duct opening measurement only

Easy Installation – Comes with all necessary installation screws for a quick and hassle-free setup

30" x 30" Cube Core Eggcrate Return Air Grille Copper Coil Insulated Line Set accordion dt { margin bottom: 10px Compatible With Duct 7in Applications This sheet metal DDAG A 1212 accordion dt { margin bottom: 10px + Product Details Size – 24"w X 22"h is the size for the duct opening measurement only