Top Outlet Ceiling Diffuser Box | 8" X 8" X 7" | Galvanized Steel Metal Box Is Compatible With Duct 7" 8in diameter They are fitting to use

They are fitting to use when needing to make tight corners and are utilized for maintaining the best airflow for maximum efficiency in your HVAC system

+ Product Details Size – 28"w X 6"h is the size for the duct opening measurement only

The crank handle lever makes it easy to adjust to every weather situation

and sound level range of NC 25 to 35

+ Product Details Size – 10"w X 18"h is the size for the duct opening measurement only

Top Outlet Ceiling Diffuser Box | 8" X 8" X 7" | Galvanized Steel Metal Box Is Compatible With Duct 7" 8in diameter They are fitting to use+ Product Details Size & Compatibility The size of the side round ceiling box is 8" X 8" X 7" and it is compatible with duct 7" 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