Compatible with PureProtect Pro 4200 Series
Replacement filters for Philips PureProtect Pro 4200 Series air purifiers: AC4220, AC4221. Your air purifier model is indicated on the bottom of the device.

Pack contains both filters for the appliance
For compatible models, both filters must be used at the same time to achieve optimum filtration performance. Insert one filter at the bottom of the air purifier and the other at the top.

Long-life filter for up to 1 year
The filters ensure optimum filter performance for up to 1 year (2), thus reducing effort and costs. Vacuum the pre-filter regularly to improve the filter performance.

Philips original filter for optimum performance
The original Philips filter has been specially developed for your appliance. For optimum performance, you should always use the Philips original filter.

4-layer HEPA filter system captures 99.97% of the smallest particles
The 4-layer filtration of pre-filter, HEPA NanoProtect and double layer of activated carbon captures 99.97% of particles as small as 0.003 microns (1) - protecting against pollutants, viruses, allergens, bacteria and odours.

Notification via intelligent filter status indicator on the appliance
Your Philips appliance notifies you on the display when the filter needs to be replaced. Replacement is easy and takes less than a minute.

Connect to the Air+ app for more convenience
Connect your device to the Air+ app to monitor filter status and easily reorder filters.