The Karcher Turbo Upholstery Nozzle with Reduction Sleeve is a 160mm upholstery nozzle that features a rotating roller brush similar to an upright vacuum cleaner that is driven purely by the suction from the vacuum cleaner. It is suitable for all vacuum cleaners that are configured for 32mm and 35mm accessories. The Karcher Turbo Upholstery Nozzle with Reduction Sleeve is a 35mm internal diameter (ID) tool but is supplied with a 32mm reduction sleeve so that it can also be used with 32mm internal diameter vacuum cleaners and accessories.