The Philips HEPA filter effectively filters out ultrafine particles larger than 20 nanometers including allergens,bacteria and some viruses .
- Philips HEPA Filter for use with Philips Air Purifier AC4012
- Filters out dust, allergens and bacteria
- Easy-to-install DIY (do it yourself) Filter
- Healthy air protect alert on the purifier warns you when to replace the filter
- Philips Customer Service Number: 1800 102 2929