How to set up and use your WINIX compact 4 stage air-purifier 23 March 2023 22:05 Updated Related articles Can I leave the windows open or ajar when I use the air purifier? What is the best way to use my air-purifier? Winix Air Purifier User Manuals What do the air quality indicator colours on my air-purifier mean? How do I reset my filter change light?