- Filters ultra-fine particles up to 0.003m from the air, including bacteria, dust, allergens and some viruses.
- High filtration efficiency as the air is evenly fed through the filter.
- Long service life approx. 2 years depending on usage intensity
- Original replacement combination filter for Philips air purifier 4000(i) – AC4236/10 (consisting of HEPA and activated carbon filter)