![background image](http://html1.mh-extra.com/html/radic8/vk-pro/vk-pro_user-manual_3251513031.webp)
8. Insert a new HEPA filter into the filter tray towards the internal side of the tray. Ensure the arrow on the
HEPA filter label points towards the inside of the device:
9. Reinsert the filter grid and secure with the four filter grid screws:
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