Review on Qiumi Purifier Negative High Grade Temperature by Kelly Johnston

I've been using this car air purifier for about three weeks now and here are my observations: 1) It fits nicely in a cup holder. Just over 3.5 inches in diameter so it fills most of the cup holder and won't spill there. I left mine in one of the two main cup holders next to the switch so it could easily plug into the USB port on the center console. 2) It looks like a skinny water bottle and is about 10 inches tall. The hole through which the air is sucked is at the bottom. So make sure your cup holder is clean and free of dirt so it doesn't suck all that bad air in there. Loos is very sleek and stylish - it looks like some kind of futuristic power cell belonging to a spaceship from a sci-fi movie. 3) Operation is a low hum at the lowest level, so a loud hum at the highest level. When you first turn it on, it goes into automatic mode and decides how much power to use based on an assessment of the ambient air quality. However, you can manually adjust the power level by pressing the power button. There are three power levels. 4) The price is quite high for a small air purifier, but I can actually feel the air being released, so I know it's working. I unscrewed the housing (as one does when changing the filter) and checked the inside of the filter. Overall I love it and use it every time I drive. Good air quality around you is especially important in these new normal times, so it's worth knowing.