PureEnrichment The PureZone mini portable air purifier is inefficient. I bought mine white for $40. I had expected it to be quieter but also more powerful with a stronger airflow. This is roughly the size of 16 ounces. water bottle. At its highest speed, the air purifier is as loud as a laptop/computer fan. I plugged in the air purifier to charge it for about 12 hours. According to the user manual, the light on the back flashes red while charging, then turns solid red while charging. The light on my device has been blinking for the last 12 hours so I'm not sure if it's still charging or not. I'm really not sure how effective the cleaner is. I've owned it for a few days now and it works almost 24/7. Dust in the sun right next to the device floats in the air without being sucked in. The air coming from above is cool and smells like new plastic. Honestly, what I like most about the air purifier is that there is only one button to operate it and it doesn't beep when pressed. The button turns on first speed when pressed once, second speed when pressed twice, and third speed when pressed three times. In conclusion, I cannot recommend the Pure Enrichment air purifier. The device has a very attractive appearance and works well as a white noise generator, but that's about it.
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