Resideo Honeywell 32006027-001 Air Cleaner Pre-Filter, for F500

Resideo Honeywell Air Cleaner Pre-Filter. This MERV 8 pre-filter is approximately 11-1/2" x 23-1/2" x 1-3/4". For use with F500 whole house HEPA air cleaner. The High-efficiency pleated pre-filter extends the HEPA filter life. Resideo Honeywell recommends the replacement of the pre-filter every 12 months under normal use. Regular replacement of the pre-filter will maximize the efficiency of your whole house HEPA air cleaner. Replacement carbon filter for model F500: 32006026-001. Replacement HEPA filter for model F500: 32006028-001.