Cen-Tec Systems 91464 Crushproof 50 Foot Vacuum Hose, Silver Universal hose end insures compatibility Comes in an diameter of 1.375 inches as opposed to 1.25 inches, allowing for better airflow and suction Compatible with major brands of central vacuum, including: Beam, Nutone, Electrolux, Hayden, VacuMaid, Aggressor, Vacuflo, MD, Canavac, Cyclovac, Air Vac Will not work with Budd or Whirlpool vacuums Full 50 feet of hose length