I reached out to the seller and they were great and sent me a new diffuser
934734
My first diffuser quit after 1 week. However, I reached out to the seller and they were great and sent me a new diffuser.  I have been using it for a couple of weeks and it is wonderful. I love the bamboo, quite lovely. Great purchase!
281172
The first one I received only worked one time.  The seller contacted me and asked if I would be willing to try a replacement.  I agreed, and I have been very pleased with the new one so far.  I have used it about a dozen times, and it worked well.
4432103
I am updating my previous review. I LOVE-LOVE-LOVE this essential oil diffuser. It does exactly as promised. I did however, have a problem with the gasket on the tank. It's a soft rubberized material which stretched way out of shape & consequently, broke. I let amazon know about the gasket. They didn't know what to do, so I contacted the seller. To make a long story short, they sent me a brand new diffuser. Just like the first one. To answer some questions, the unit shuts off when it runs out of water except the front blue light. Puts out a GREAT amount of vapor. Not to where it gets everything wet but it does produce mist. I am able to notice when it's empty as we live in Northern Colorado and we're very dry. Especially in the winter. I hope this answers some of your question s. I definately VERY HIGHLY RECOMMEND THIS ESSENTIAL OIL DIFFUSER. It's been rare  in my experience for people to stand behind their product. This seller does.
1464102
Extremely professional seller. I received a defective fan... It was working on usb but not on battery. I wrote to them on Friday night and by Tuesday they sent me a new fan.  Superb customer service provided by the seller!!
My new fan is working well. It's small and powerful. I am a happy customer and would recommend it to all.
I am putting up a picture with the salt tub, to give an idea about its size.
687177
I had a great experience with the product and the seller
4921038
I originally bought this candle and 2 other scents from Amazon a couple weeks before Christmas. I was upset to find 2 out of the 3 I purchased broken. I contacted the Manufacture that made the candles and expressed my concerns about how I want to be able to give these as gifts. The owner personally spoke with me over the phone about the issue and told me that he was going to expedite ship my replacement candles to me at no charge and also gave me a discount on them. He had been receiving complaints about Amazon not packaging the candles correctly and assured me that there was going to be a new process in place for distribution of the product. Needless to say, I received my replacement candles within the next couple days and in excellent condition. Kaliber, the manufacturer, really made me feel like a valued customer. Thanks!
2775447
I was so excited to receive my diffuser today after reading so many positive reviews. It worked great when I first plugged it in, but only stayed on for less than 5 minutes. It was making a nice mist & the smell was nicely dispersed in the cool mist. I am so disappointed & will be calling customer service tomorrow & asking for a replacement. I'm hoping it is just a faulty unit...will edit my review if I get a working diffuser replacement.
1019947
I had a problem with the first product that was delivered to me, and without question or hessitation, this seller sent me a replacement- FAST! I love the product and it fits my needs perfectly. I would recommend this seller for anything!
3299723
We originally had a problem with the vendor but I'm happy to report they promptly responded and made the situation right. I would gladly do business with AirTurn in the future.
4620558
When I got my product, it was not so satisfying. However, the sellers were fantastic: they were nice and returned my requests ASAP.
719639
When I used the product if sat funny on my phone. The seller was awesome though and sent a replacement.
3558460
My first review was one that I posted when I was not getting any help returning the item (muzzle).  After I posted the review I was helped by the seller and got great customer service.  They did "try" to help me and get the Muzzle that would work for me.  Once you get "help" from this seller they go out of their way to make the transaction "right" for you.
19143
I had a problem with the rack but the seller was very nice and patient. She helped me out and now my problem is solved. Thank you so much!
305250
The original humidifier I ordered was defective. I emailed Luma customer service and was sent a brand new replacement the very next day. They had excellent customer service and now that my humidifier is working properly, I love it!
1276433
Great seller - good followup with tips on use.  Product works quite well!
4312105
Seller was willing to make work with me through the issues I had and I was happy with my purchase
1017010
Updated April 1, 2016.

The company made contact with me to offer replacement. I took replacement, they said I didn't have to return the malfunctioning one even though I kept asking for details to send it back. The new unit arrived in January. Used it maybe once a week since and has not had the same issue with the cover.
While customer service is good they can also be borderline harassing when sending you email to update the product star rating.

Changing star rating from 2 star to 4 star because they offered replacement as well as because the new unit seems to be working well. Even though like the first one the tank does not empty all the way before it shuts off.

After the first 3 uses, the 'cap' no longer fits well. trying to make it sit properly with water in the reservoir is a challenge without making a spill. As such, I only use when all my other diffusers are in use. Also, the reservoir leave about 1/4 full when the unit shuts off.