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Carbon Odor-Filter for Honeywell F500 HEPA Air Cleaner
(Recommend carbon odor-filter change every 3-4 months. Environments with pets or smokers - more often) -
ODOR BAN Carbon Pleated Filter
(Also helps reduce pet, smoke, & other household odors. Replaces standard furnace filters.) (We recommend changing 2" carbon/charcoal filters 4 times per year - September, December, March, June. For DIRTY environments or most efficient filtration, you may need to change filters more often...do monthly visual checks for the first few...