Keep your indoor air clean and fresh with the Honeywell Replacement HEPA Air Purifier R Filter. Designed for use in air purifiers, this filter is made with True HEPA filtration technology that captures up to 99.97% of airborne particles, including dust, pollen, pet dander, and smoke. It is a pack of one white filter that is perfect for any unit type and application. The HRF-R1 model is easy to install and maintain, ensuring that you get clean and healthy air in your home or office.