Top Outlet Ceiling Diffuser Box | 6" X 6" X 6" | Galvanized Steel Metal Box Is Compatible With Duct 6" Galvanized Steel you have 16 different varieties

you have 16 different varieties to choose from

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+ Product Details Perfect Fit & Easy Sizing - Designed for a 26" x 24" OR 24" x 26" duct opening (measured at the opening)

actual front end outer dimensions are approximately 29

+ Product Details Size – 6" round duct opening-

Top Outlet Ceiling Diffuser Box | 6" X 6" X 6" | Galvanized Steel Metal Box Is Compatible With Duct 6" Galvanized Steel you have 16 different varieties+ Product Details Size & Compatibility The size of the side round ceiling box is 6" X 6" X 6" and it is compatible with duct 6" 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