This is a good air purifier but the best thing about it bar none is that t uses an electronic filter. It looks cool. It has a desk lamp feature. It will monitor your air quality. However, the fact that there are no filters to replace, throw away and buy more of is hands down my selling point. Five stars for that alone.The electronic filter system can effectively remove pollutants, that carry negative charged static electricity, then release the positive high-voltage electrostatic adsorption this electronic filter technology provides cleaner, safer air quality. I love not changing the filer. I am enjoying not changing it right now. Here I go again, I just didn't change it. This is my favorite part of the design.The air purifier has a built-in air quality LED, which can display in real-time to safely protect your health. When PM2.5≤35, the air quality is good and the blue LED is displayed. When PM2.5≥115, the air pollution is serious and a red LED is displayed.It is also a desk lamp, no wasted footprint here!TO wrap up... It cleans the air without cluttering your landfill, emptying your wallet, or wasting space on your desk/shelf... I can't think of an improvement.