Viomi S9 UV Robot Vacuum Dust Bag (*10pcs) is used to replace the old HEPA filter for Viomi S9 UV Robot Vacuum, to keep tiny substances away and avoid them stuck into the tube connected with the fan motor.

Viomi S9 UV Robot Vacuum Disposable Cloth is used to replace the old disposable cloth for Viomi S9 UV Robot Vacuum and is only available in mopping mode.

Viomi S9 UV Robot Vacuum Filter (HEPA) is used to replace the old HEPA filter for Viomi S9 UV Robot Vacuum, to keep tiny substances away and avoid them stuck into the tube connected with the fan motor.