Top Outlet Ceiling Diffuser Box | 12" X 12" X 12" | Galvanized Steel Metal Box Is Compatible With Duct 12" 3-Way or 4-Way reducing strain on your system

reducing strain on your system and cutting down monthly energy expenses

Ideal for Walls & Ceilings: Designed for seamless installation in standard 20" X 6" duct openings

actual front end outer dimensions are approximately 18 5/8" width X 36 5/8" height

It can also be used with metal risers

Top Outlet Ceiling Diffuser Box | 12" X 12" X 12" | Galvanized Steel Metal Box Is Compatible With Duct 12" 3-Way or 4-Way reducing strain on your system+ Product Details Size & Compatibility The size of the side round ceiling box is 12" X 12" X 12" and it is compatible with duct 12" 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