Wall Stack Register 90 Degree Angle Boot | 12" X 4" X 8" | Compatible with Duct 8" with filter This versatile diffuser is adaptable

This versatile diffuser is adaptable to various airflow needs

+ Product Details Size – 20"w X 12"h is the size for the duct opening measurement only

but still very thin

+ Product Details Size - 18"w X 36"h X 2"d (for duct opening measurement only)

Wall Stack Register 90 Degree Angle Boot | 12" X 4" X 8" | Compatible with Duct 8" with filter This versatile diffuser is adaptable+ 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