I am very happy with the 3 oxygen…
I am very happy with the 3 oxygen concentrator I have Have recommended to others.
By Ida
Tuesday, November 10, 2026 · Customer reviews of US businesses
The Fair Hearing score
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267 reviews
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Honesty, pricing, process and quality scores appear once 5 customers have rated them.
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 The Fair Hearing, with an average rating of 3.7 out of 5.
Showing 147 reviews with 5 stars · Clear filters
I am very happy with the 3 oxygen concentrator I have Have recommended to others.
By Ida
Seems like a quality built machine, works as promised and one of the most important factors is how quite it is.
By Fred Siler, J.
I used it several times a day for a boost to my blood oxygen level.It has significantly lowered the COPD flare ups.I need to get an extra battery and car power cord.
By Alan C.
Very happy with our purchase. Great machine, lightweight, fast shipping! Zero complaints.
By Kim M.
I got good service
By FRANCIS R. R.
Great selections, prompt delivery and ease of customer service
By Danny O.
Without conversation or complications; this purchase went smoothly. I will recommend this product and this firm for is pricing, quality and immediate shipping.
By Ron L.
RECEIVED IN A TIMELY FASHION, STILL WAITING ON EXTRA BATTERY. MY MOM DOES LOVE THE MACHINE SAYS IT HELPS HER BREATHING QUITE A BIT.
By Kelly B.