Top Outlet Ceiling Diffuser Box | 8" X 8" X 8" | Galvanized Steel Metal Box Is Compatible With Duct 8" w18h18 Design – This Long throat

Design – This Long throat double oval stack head is designed to meet new high ceiling construction

this fitting is perfectly compatible with 6-inch ducts

+ Product Details Size - 22"w X 4"h is the size for the duct opening measurement only

75" Width X 35

Top Outlet Ceiling Diffuser Box | 8" X 8" X 8" | Galvanized Steel Metal Box Is Compatible With Duct 8" w18h18 Design – This Long throat+ Product Details Size & Compatibility The size of the side round ceiling box is 8" X 8" X 8" and it is compatible with duct 8" 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