Side Outlet Ceiling Diffuser Box | 8" X 8" X 8" | Galvanized Steel Metal Box is Compatible with Duct 8" 10in diameter + Product Details Size – Suitable for all AC 8in diameter 12125SDCLNGBX

+ Product Details Size – 12" x 36" or 36" x 12" is the size for the duct opening measurement only

+ Product Details Size – 22"w X 14"h is the size for the duct opening measurement only

Think of the diameter as a straight line from one end to the other

rain or snow

Side Outlet Ceiling Diffuser Box 8" X 8" X 8" Galvanized Steel Metal Box is Compatible with Duct 8" 10in diameter + Product Details Size – Suitable for all AC 8in diameter 12125SDCLNGBX + Product Details Size – 12" x 36" or 36" x 12" is the size for the duct opening measurement only + Product Details Size – 22"w X 14"h is the size for the duct opening measurement only