Air Filter Replacement Joshua Chang May 25, 2018 06:10 Updated It is recommended to change the HEPA filter in the filtration unit for every 300 hours of usage or 6 months. Related articles 4. Maintenance UP 300 User Manual Replacing UP mini2 Touch Screen UP Mini2/Mini2 ES User Manual UP mini (1st Gen) User Manual Comments 0 comments Please sign in to leave a comment.
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