Side Outlet Ceiling Diffuser Box | 6" X 6" X 3"| Galvanized Steel Metal Box is Compatible with Duct 3" Compatible With Duct 5in Ideal for Walls & Ceilings:

Ideal for Walls & Ceilings: Designed for seamless installation in standard 20" X 8" duct openings

14" Circular Round Aluminum HVAC Supply Grille Air Diffuser - With Butterfly Damper - Vent Duct Cover

ensuring it fits most standard thermostat models

+ Product Details Size – 18" Corner Baseboard Grille - White - HVAC corner vent cover

Hose Diameter Connection Size: 6mm i/d

Side Outlet Ceiling Diffuser Box | 6" X 6" X 3"| Galvanized Steel Metal Box is Compatible with Duct 3" Compatible With Duct 5in Ideal for Walls & Ceilings:+ Product Details Size & Compatibility The size of the side round ceiling box is 6" X 6" X 3" and it is compatible with duct 3" 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 This sheet metal register duct ceiling outlet box is used for a 90 degree connection of round pipe to a square