Top Outlet Ceiling Diffuser Box | 10" X 10" X 10" | Galvanized Steel Metal Box Is Compatible With Duct 10" Outdoor Vent Covers + Product Details Size –

+ Product Details Size – 26" x 26" is the size for the duct opening measurement only

Ideal for Walls & Ceilings: Designed for seamless installation in standard 12" X 8" duct openings

+ Product Details Size - 18"w X 32"h is the size for the duct opening measurement only

+ Product Description Introducing our superior-quality Stick-On Collar with Damper

Top Outlet Ceiling Diffuser Box | 10" X 10" X 10" | Galvanized Steel Metal Box Is Compatible With Duct 10" Outdoor Vent Covers + Product Details Size –+ Product Details Size & Compatibility The size of the side round ceiling box is 10" X 10" X 10" and it is compatible with duct 10" 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