EDDIE D.
THE product is very good my…
THE product is very good my experience with TTLIFE has been very good delivery is very quick and customer service is great

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
EDDIE D.
THE product is very good my experience with TTLIFE has been very good delivery is very quick and customer service is great
Edward S.
Not able to work your website very well
Rodney
Had what was needed-prompt delivery-super low price-easy set up-nice bundle-could not ask for anything more
Travis L.
Machine works fine, the remote control does not work. I tried everything including a new batt. Please send me an answer on what to try , or send me a new one. Thank You
Response from TTLIFEMar 2, 2026
We're sorry to hear the remote isn't working. The remote uses a CR2025 battery. If it still doesn't work after installing a new battery, please contact our support team at: [email protected] We will help you resolve this right away. Thank you for your understanding.
Victoria
Buyer beware! This company says they will accept returns unopened with full refund, not true.. they give you 60.00 bucks and then donate if you need or if you do want to return you are looking at very expensive shipping fees not worth returning.
Response from TTLIFEMar 2, 2026
We’re sorry to hear you feel this way. We always strive to offer fair and transparent service to all our customers. To clarify, our return policy doesn‘t promise a full refund for unopened items. When we spoke about your return, we were working with you in good faith to find a reasonable solution, as the product had no quality issues. We hope you can understand our position. We wish you all the best.
Wendy Z.
I think the machine is well designed and I am finding it useful. My only complaint is the type and level of sound. I can probably adapt but, currently the vibration sound and the pulsing sound make it difficult to read in bed.
Jessica M.
I wish I could give NEGATIVE stars. Absolutely horrendous company. Awful product, false advertising, abysmal customer service. STAY AWAY
Roger A Y.
Hopefully the unit is putting out the correct amount of oxygen as stated. As far as shipment and the company, they were great. Quick shipping and fast delivery.