Top Outlet Ceiling Diffuser Box | 6" X 6" X 6" | Galvanized Steel Metal Box Is Compatible With Duct 6" 3-Way or 4-Way while the included installation screws

while the included installation screws make setup quick and hassle-free

providing ample tool capacity

+ Product Details Size - 16"w X 20"h is the size for the duct opening measurement only

Sound Rated – Felt covered access panel door with soundproof material on the inside reduces noise with a reduction index of 30 – Enjoy having an access door without sacrificing peace and quiet

Top Outlet Ceiling Diffuser Box | 6" X 6" X 6" | Galvanized Steel Metal Box Is Compatible With Duct 6" 3-Way or 4-Way while the included installation screws+ 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