Keep your air purifier operating at peak performance. Filter captures up to 99.97% of airborne particles and microscopic allergens. Replacement media must be used with pre-filer: HRF-AP1.

• Keep your air purifier operating at peak performance.
• Captures up to 99.97% of airborne particles and microscopic allergens.
• Must be used with pre-filer: HRF-AP1.
• For best performance, replace once each year.