Very good company Very good company. I highly recommend the Varon machine. Quiet and I only have to use setting 3 to get my oxy level up Don't worry about negative reviews as they are inspired by competitors. DB LAWS MILFORD

TtLife and their policies TtLife dealt with me over an Oxygen Concentrator I purchased. After I received the device i talked with my Pulmonologist. He decided the concentrator was not what I needed. I emailed with TTLife and they were wonderful. Offered me an even trade for another device. I decided to go a different route and ordered what I needed. TTLife agreed to let me return my device and to refund my money. I returned the device and I received my refund within 3 days. I highly recommend TTLife for your purchases. Neysa McFarland

Great Product As a COVID survivor Great Product As a COVID survivor, I've come a long way with my recovery, relying on ventilators and oxygen supplementation post-hospitalization. Two years out, and I'm mostly back to myself, though I still need a little help at night. I'm really pleased with the NT-04 oxygen concentrator — it's been a reliable companion through my daily life. Now, I'm looking into getting a portable unit for travel. This device has truly supported my path to getting back to life as it was.

Poor customer service Although the machine has arrived, and seems to be in good working order, their customer service is an absolute nightmare. Avoid this place like the plague. They are slow to answer their emails and don’t answer the phone because they don’t speak English. I wish I could come here and read the reviews first. Edit: the machine has stopped working and they will do nothing about it.

NT-02 to the Rescue! Just got the NT-02 today and wow, what a difference it's made for my mother with severe COPD. The machines we tried before just weren't cutting it. But with the NT-02, her breathing has improved noticeably. It's such a relief to see her more comfortable. Highly recommend the NT-02 for anyone struggling with similar issues.