The 11 inch wide Turbo Brush vacuum nozzle attachment works with the Atrix models: VACBP1, VACBPAI and VACBP36V | | The vacuum cleaner brush head attachment has a connection point with outside diameter of 1.65 inches (42mm) and 1.38 inches (35mm) creating a tight seal when attached to a vacuum | | The Atrix brush attachment allows users to easily switch between the different nozzle attachments. Fits on the Atrix backpack belt holster for easy transitions | | The Atrix vacuum attachment brushes the ground while the vacuum is sucking in order to pull up loose debris and deep lodged particles for an ultimate clean | | Use the vacuum with the power brush attachment for JAN/SAN, Offices, Warehouses, Stairs, Ceilings, and Entryways | |