Wall Stack Register 90 Degree Angle Boot | 8" X 6" X 4" | Compatible with Duct 4" d + Product Details Size –

+ Product Details Size – 20" x 32" or 32" x 20" is the size for the duct opening measurement only

you can cut or trim your vent cover to more precisely fit your air vent

actual front end outer dimensions are approximately 20 5/8" width X 30 5/8" height

Adjustable airflow control - by rotating the middle disk

Actual Filter Size – 33 3/4"w x 27 3/4" x 1"

Wall Stack Register 90 Degree Angle Boot | 8" X 6" X 4" | Compatible with Duct 4" d + Product Details Size –+ Product Details Size & Compatibility The size of the wall angle register boot is 8" X 6" X 4" and it is compatible with duct 4" 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