Side Outlet Ceiling Diffuser Box | 8" X 8" X 8" | Galvanized Steel Metal Box is Compatible with Duct 8" 10in diameter + Product Details Size – CRFG2028 Width_14in 4 X 12 Is

+ Product Details Size – Duct end cap is 22" X 18" | 26-gauge galvanized steel end cap

Minimum Efficiency Reporting Value (MERV) is a standard that rates the overall effectiveness of air filters

Think of the diameter as a straight line from one end to the other

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 12" or 12" x 14" duct opening (measured at the opening)

Ideal for Walls & Ceilings: Designed for seamless installation in standard 14" X 14" duct openings

Side Outlet Ceiling Diffuser Box 8" X 8" X 8" Galvanized Steel Metal Box is Compatible with Duct 8" 10in diameter + Product Details Size – CRFG2028 Width_14in 4 X 12 Is + Product Details Size – Duct end cap is 22" X 18" 26 gauge galvanized steel end cap Minimum Efficiency Reporting Value (MERV) is a standard that rates the overall effectiveness of air filters