7.1. VK Pro Filters
The VK Pro contains two filter trays:
Back filter tray
Bottom filter tray
Each filter tray contains three filters:
Pre-filter
Reusable. Clean regularly for efficient operation.
Carbon filter Disposable. Replace when the filter replacement indicator illuminates.
HEPA filter
Disposable. Replace when the filter replacement indicator illuminates.
The filters should always be arranged in the filter trays with the pre-filter closest to the outside of the device,
the carbon filter in the middle, and the HEPA filter towards the inside of the device. In addition, the HEPA
filter has an arrow on its label to indicate the airflow direction. The arrow should point towards the inside of
the device:
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