The AIRDOCTOR AD1000 Genuine Replacement Filter Set includes 1 Ultra HEPA filter and 1 Carbon filter, specifically designed for the Air Doctor AD1000 model. These filters are pleated in design and use HEPA-Type filtration technology to effectively remove particles from the air. Made in Malaysia, the filter media is carbon, providing additional odor control capabilities. The filters come in a white color and are sold as a single pack to ensure a proper fit and optimal performance for your air purifier. Upgrade your indoor air quality with this reliable and efficient filter set.