Kärcher interior cleaners are widely designed for universal applications and for the most part come with a ATEX-94/9 permit. The flow rate capacity and opertaing pressure can be adjusted to the respective application. Jet drive by means of electrical or compressed air motor. The desired rotary motion of the nozzles is achieved by means of the coupled rotation of the nozzle carrier at two levels. The asymmetric toothing with numerous teeth ensures complete coverage and intensive cleaning of the entire inner surface.