Permanent True HEPA filter-Under normal conditions of continuous use, True HEPA filter should be cleaned every 6-12 months (approximately 4,320 hours), or more often depending on air quality and environmental factors
Permanent Coconut carbon pre-filter-Coconut carbon pre-filter is a cleanable filter. Clean pre-filter every 3 months (with brush attachment on your vacuum, do not immerse filters in water.)
Angled airflow output-Allows for use as a tabletop fan
