AMEIFU presents itself wonderfully right off the bat. The unit comes beautifully packaged, well protected, and quickly. The unit is well-made. It was super easy to figure out - I didn't even need the instructions, which are presented well too. Removing the filter to remove it from its own bag, it is easy to see that even the filter is high quality. It just feels really solid, all of it. The lines are really nice, the unit is very esthetically pleasing, and it is very easy to operate. They've really put some thought into it. One of my favorites is the oil tray - a little covered tray with a pad for eaaential oils. It even comes with extra pads. In fact, it works great as white noise. The most important thing is it works very well - I am an asthmatic living in an old house, and in less than two days the air was noticeably fresher and I could breathe easier. It is classy looking and high quality. For the money, it's a no-brainer. I highly recommend it, and will be purchasing another.