Justin
Bought two machines from this company
Bought two machines from this company. Very easy to work with, FAST shipping, and no issues with the machines whatsoever. Would recommend!!

TTLIFE from American Medical Sales has over 15 years of oxygen therapy experience and we offer the highest quality brands of Portable Oxygen Concentrators, Home Oxygen Concentrators.
TTLIFE (oxygenconcentrator.shop) has 267 customer reviews on Five Star Index, with an average rating of 3.7 out of 5.
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267 approved reviews, newest moderated first
Justin
Bought two machines from this company. Very easy to work with, FAST shipping, and no issues with the machines whatsoever. Would recommend!!
Robert
Do not do business with these people. They will rip you off. If you receive a unit that does not work as I did, they will not refund your money. Their customer service will drag it out for weeks, and when you follow their instructions and return it, you get nothing.
Response from TTLIFEOct 9, 2025
We’re very sorry to hear about your experience. We take customer satisfaction seriously and would never ignore a valid refund request. There may be some misunderstanding or delay during the return process. Could you please share your order number so we can look into this right away and help resolve it for you?
Bonnie Rowe L.
I used my VARON N6 this past weekend for the 1st time and was throughly impressed with it. It has made being able to visit my friends, who live further away from me, so easy. I can use it in the car and plugged in To their home both to visit and sleep. Love the machine💕 So much better than carrying oxygen tanks!
Norma
I bought the lightweight concentrator one and I'm pleased with its capabilities. I use it when I get out of car to go shopping. I ordered an extra battery and both arrived in 8 days. I recommend this product. ☺️
Michael S.
The oxygen concentrator came ready to go out of the box. It works great and I would recommend it.
Bacalm G.
The NT-06 is the best portable machine I've used so far. I set it to 2 liters, and it helps me a lot when I go for walks - my oxygen level stays at 95%! It's hard to find a portable unit like this that truly offers continues flow.
Mary Jo G.
When I received my Varon the charging cord plug was for Europe wall outlet, not USA wall outlets. They keep saying that they sent the correct plug for USA.. I even sent them pictures of plug I received & my wall outlet, and now their service dept won't even get back to me 7-2-25 The company finally got back with me and I got the correct plug today.
Response from TTLIFEOct 9, 2025
We’re sorry for the inconvenience you experienced with the plug type, and we’re glad to hear that the correct one has already arrived. It seems there was a small mix-up that was resolved quickly after confirmation. We truly value your patience and understanding, and we always aim to make things right for every customer.
Witek Marilyn M.
I try to buy oxygen concentrator battery. I paid and lost contact with store. They don’t inform You about shipment. Looks like it is scam bissness.
Response from TTLIFEJun 17, 2025
We’re very sorry to hear about your experience. Please provide us with your order number so we can look into this for you right away. We’re here to help and will do our best to resolve this issue together. Thank you for your patience.