Top Outlet Ceiling Diffuser Box | 6" X 6" X 4" | Galvanized Steel Metal Box Is Compatible With Duct 4" White + Product Details Size -

+ Product Details Size - 34"w X 34"h is the size for the duct opening measurement only

powder-coated finish adds a touch of elegance while also being scratch-resistant

positioning supply and return grills accordingly

+ Product Details Size - 24"w X 24"h X 2"d (for duct opening measurement only)

+ Product Details Size - 12"w X 8"h is the size for the duct opening measurement only

Top Outlet Ceiling Diffuser Box | 6" X 6" X 4" | Galvanized Steel Metal Box Is Compatible With Duct 4" White + Product Details Size -+ Product Details Size & Compatibility The size of the side round ceiling box is 6" X 6" X 4" and it is compatible with duct 4" Premium Quality Made in the USA. Our Galvanized Duct Box is made of high quality 26 Gauge galvanized sheet metal for durability. It features a snap lock design for easy fitting and a secure connection. Applications The C box duct with drywall flange, round connects to vent register diffuser, airflow conditioning ceiling