COMPATIBLE WITH ATRIX ERGO BACKPACK SERIES VACUUMS. The Atrix Backpack attachment is compatible with the backpack series including models: VACBP1, VACBP10, and VACBPWV 6 INCH CREVICE NOZZLE. This backpack vacuum attachment is perfect for reaching those hard to reach spots like in between seats of your car, corners of your house and other tight spaces RESIDENTIAL OR COMMERCIAL APPLICATIONS. This attachment is an affordable option for your home, condo, or apartment to clean air vents, window sills, and corners. PLASTIC MATERIAL with angled opening for ease of cleaning dust and debris EASY TO ATTACH. Simply slide on the crevice nozzle to the end of the Atrix backpack vacuum and you are ready to go