Wall Stack Register 90 Degree Angle Boot | 12" X 4" X 8" | Compatible with Duct 8" Ceiling The total outer size of

The total outer size of this grille is the listed size plus 2 and 5/85"

Control Your Airflow on drop ceiling grilles

+ Product Details Size – 18"w X 20"h is the size for the duct opening measurement only

This product features a 120-degree plane bend

Wall Stack Register 90 Degree Angle Boot | 12" X 4" X 8" | Compatible with Duct 8" Ceiling The total outer size of+ Product Details Size & Compatibility The size of the wall angle register boot is 12" X 4" X 8" and it is compatible with duct 8" Premium Quality Made in the USA. Our boot register angle is made of high quality galvanized sheet metal. Applications The boot register angle is used for the right angle transition from a round pipe or insulated flexible duct to a register or grille. It can also be used with metal risers. Design The product is designed to