Top Outlet Ceiling Diffuser Box | 8" X 8" X 7" | Galvanized Steel Metal Box Is Compatible With Duct 7" Sheet Metal /* Adding space between bullet

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+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 30" OR 30" X 14" duct opening (measured at the opening)

made from high-quality galvanized sheet metal for exceptional durability and a secure fit

+ Product Details Size - 28"w X 10"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 14 5/8" width X 8 5/8" height

Top Outlet Ceiling Diffuser Box | 8" X 8" X 7" | Galvanized Steel Metal Box Is Compatible With Duct 7" Sheet Metal /* Adding space between bullet+ 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