I tested the unit again and am very disappointed with the disaffected cleaning performance of the appliance. The quality of the accessories can be very much to be desired. The flap took the dirt does not occur. After first use, the brushes were already worn out and looked like Times used 50. When brushing my big flower window of Fliegencot was not even remotely, so I still had to resort back to my old rags. Conclusion: not recommended