NanoProtect filter HEPA Series 3
- As long as 24 months lifetime*
- Filters 99.97% 0.3µm particles*
- Philips Air Purifier traps 99.97% of particles as small as 0.3 microns that pass through the filter. Tested on the filter media for 1 pass efficiency at 5.33cm/s airflow in 2015 by a third party lab
- Tested with Staphylococcus albus and Influenza A (H1N1).
As long as 24 months lifetime*
Philips NanoProtect S3 filter has multiple optimized pleats. This covers an unfolded area of about 2m2 to ensure a long lifetime.
Filters 99.97% 0.3µm particles*
Philips NanoProtect S3 filter is made of high quality material. It can capture up to 99.97% of particles even as small as 0.3 microns - the size of most common airborne allergens, harmful particles, bacteria and viruses. The high grade filter with firm and stable structure ensures all the air flows through the filter and delivers high filtration efficiency.