Side Outlet Ceiling Diffuser Box | 12" X 12" X 4" | Galvanized Steel Metal Box is Compatible with Duct 4" sidewall + Product Details Size -

+ Product Details Size - 20"w X 20"h X 2"d (for duct opening measurement only)

with actual outer dimensions of 14

32"w X 8"h Is The Size For The Duct Opening Measurement Only

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

with actual outer dimensions of 8

Side Outlet Ceiling Diffuser Box | 12" X 12" X 4" | Galvanized Steel Metal Box is Compatible with Duct 4" sidewall + Product Details Size -+ Product Details Size & Compatibility The size of the side round ceiling box is 12" X 12" X 4" and it is compatible with duct 4". 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