Replacement filters Philips PureProtect Pro 4200 Series air purifiers: AC4220, AC4221. You can find your air purifier model on the bottom of the device.
Compatible models require both filters to be used simultaneously for optimal filtration performance. Simply insert one at the bottom of your air purifier, and the other one at the top.
The original Philips filter is designed for a perfect fit with your device. For optimal performance, always use the genuine Philips filter.
4-layer filtration made of pre-filter, HEPA NanoProtect and double Active Carbon layer captures 99.97% of particles as small as 0.003 microns (1) – to protect you from pollutants, viruses, allergens, bacteria and odors.
Your Philips device notifies you when to replace the filter, with an indicator on the display. Maintenance is effortless, taking less than a minute.
Connect your device to the Air+ app to monitor your filter status and easily order replacements when needed.