It is recommended that the HEPA 14 Filter needs to be replaced once every 1-2 years.
The HEPA 14 filter cannot be washed. It is advised that the HEPA 14 filter should be replaced every 1-2 years.
The activated carbon filter can be cleaned by a vacuum cleaner. Do not use water to clean this filter.
Clean the surface of the pre-filter with a vacuum cleaner or wash it with water and then dry it completely before installing it back to the device.