Honeywell Univeral Replacement Pre-Filter 38002- 12 pack. Buy bulk and get a discount!! To keep your air cleaner working its best, replace the pre-filter at least every 3 months. This replacement pre-filter fits all round Honeywell HEPA air cleaners. It reduces household odors and traps large particles, extending the HEPA filter's life. The 38002 has replaced all Honeywell prefilters including the 32002.
Activated carbon pre-filter fits all round Honeywell HEPA air cleaners.
Helps reduce household odors, trap large particles and extend HEPA filter life.
Simply cut the pre-filter material to the size of your air cleaner's HEPA filter
Pre-filter lasts as long as 3 months, depending on use.