Side Outlet Ceiling Diffuser Box | 10" X 10" X 8" | Galvanized Steel Metal Box is Compatible with Duct 8" Compatible with Duct 4" + Product Details Size – 4 X 12 Is CRFG2028 Width_14in

+ Product Details Size – 32"w X 8"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 10" or 10" x 14" duct opening (measured at the opening)

+ Product Details Size & Compatibilty - The 16" to 12" round metal pipe reducer & increaser 30 gauge is compatible with duct 16" to 12"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 14" duct opening (measured at the opening)

+ Product Details Size - 30"w X 26"h is the size for the duct opening measurement only

Side Outlet Ceiling Diffuser Box 10" X 10" X 8" Galvanized Steel Metal Box is Compatible with Duct 8" Compatible with Duct 4" + Product Details Size – 4 X 12 Is CRFG2028 Width_14in + Product Details Size – 32"w X 8"h is the size for the duct opening measurement only + Product Details Perfect Fit & Easy Sizing Designed for a 14" x 10" or 10" x 14" duct opening (measured at the opening)