Philips DreamStation 2 User Manual page 25

2. To remove an existing filter, pull the white tab on the end of the filter and pull the filter
out of the device
3. If applicable, place a dry, grey reusable pollen filter on top of a new, optional blue
disposable ultra-fine filter, align the arrows on both filters, and firmly snap them
together.
4. Place the filter into the therapy device.
5. Reinstall the humidifier water tank.
- 21 -