Keep your Friedrich C90 Air Cleaner performing properly by replacing the carbon filter every three months. The washable pre-filter should also be inspected regularly and replaced when signs of wear or damage are visible.
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Pre-filter
Replacement for standard antimicrobial air filter on Friedrich C-90, C-90A and C-90B air cleaners.
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Carbon Filters
Removes allergens, odors and other impurities from the air; for use with Friedrich C-90, C-90A and C-90B air cleaners. Your filter should be replaced every three months.
