Vacuflo Turbocat Air Turbine Nozzle, Black No Batteries or additional power needed  runs off your Central Vacuum The make-up of the Turbo Cat turbine allows for enhanced airflow and constant contact with the floor surface Compatible with major brands of central vac, including Beam, Nutone, Electrolux, Hayden, VacuMaid, Aggressor, Vacuflo, MD, Canavac, Cyclovac, Air Vac