Equivalent HEPA Filter:
Holmes: HAPF-56

Fits Models
Holmes Air Purifiers: HAP-560, HAP-561, HAP-570, HAP-5604, WAP-5600.

• True HEPA filter
• 99.97% effective at removing particles as small as 0.3 microns from the air that passes through the filter.
• Replace every 9-12 months depending on use and environmental conditions.