Breathe Easier: 2-pack Replacement HEPA 10 air purifier filters remove small particles like dust and pollen. Compatible with Conair Portable Small Air Purifier (Model AP03) Maintain Fresh, Clean Air: Keep the filters on hand to ensure your air purifier operates at peak efficiency. It is recommended to replace filter every 3 months. Conair AP03 Air Purifier is perfect for small spaces like your desktop or workspace and is portable for your convenience. Efficient air filtration: HEPA-type filter removes dust and pollen and plasma generator eliminates pollutants when used in accordance with enclosed directions. Fresh Air with ConairPure: Captures dust and dirt, volatile organic compounds, smoke, pet dander, and pollen.