Bought this fan to use with the Yeti 3000 battery. I wanted a good fan that used less power and this fan does just that. It uses less than half of Vornado's energy (images attached). At maximum speed, Vornado is stronger than pureFlow; But the fact that I can run this fan all the time and use significantly less power makes it the best option for me. UPDATE (1/3/20): I bought five of these fans about 2 years ago. They've been heavily used: I run them 8-9 hours a day on medium settings. So far, three out of five fans have broken. I think it's a design issue: it's impossible to clean them. Over time, dust accumulates inside and eventually they stop working. These fans are energy efficient and powerful for their size, but given the price, they should last longer and the inability to clean them internally is a major downside.
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