Enviracaire Universal Replacement Pre-Filter 6 pack. 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 prefilter 32002. Activated carbon pre-filter fits all round Honeywell HEPA air cleaners.
Pre-filter lasts as long as 3 months, depending on use.
Simply cut the pre-filter material to the size of your air cleaner's HEPA filter
Helps reduce household odors, trap large particles and extend HEPA filter life.