Top Outlet Ceiling Diffuser Box | 12" X 12" X 12" | Galvanized Steel Metal Box Is Compatible With Duct 12" 10 Feet Long + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 10" x 8" or 8" x 10" duct opening (measured at the opening)

Low Performance: Clean or replace the filter if applicable

actual front end outer dimensions are 19" Width X 13" Height

+ Product Details Size - 36"w X 18"h is the size for the duct opening measurement only

Top Outlet Ceiling Diffuser Box | 12" X 12" X 12" | Galvanized Steel Metal Box Is Compatible With Duct 12" 10 Feet Long + Product Details Perfect Fit+ 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