Filters	Replacement	Cleaning
Pre-Filter	Permanent/Washable	Every Month
Medium (Included in the filter kit)	Every 12 Months*	Not Required
BioGS HEPA (Included in the filter kit)	Every 12 Months*	Not Required
Customized (Included in the filter kit)	Every 12 Months*	Not Required
AC Charcoal (Included in the filter kit)	Every 12 Months*	Not Required

*Based on 24/7 operation and average indoor air quality