Side Outlet Ceiling Diffuser Box | 12" X 12" X 8" | Galvanized Steel Metal Box Is Compatible With Duct 8" Color_Red Oak Wood Actual Filter Size – 27

Actual Filter Size – 27 3/4"w x 7 3/4" x 1"

With adjusting knobs for precise dimensions and an easy-to-switch-out blade (just unscrew

joints or for sheet metal fittings and flexible duct

Filter Size - 31

Optimized Comfort: By putting airflow control at your fingertips

Side Outlet Ceiling Diffuser Box | 12" X 12" X 8" | Galvanized Steel Metal Box Is Compatible With Duct 8" Color_Red Oak Wood Actual Filter Size – 27+ Product Details Size & Compatibility The size of the side round ceiling box is 12" X 12" X 8" and it is compatible with duct 8" 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