Sales person informative Sales person informative. Helpful in choosing machine, knew the details of product well. The 'Zen-0' itself is exceptional for my needs and so far a great POC.

Questions asked & answered with kindness and patience. I had a lot of questions, received a lot of answers, did research on my own, called again with more questions. With each call Luke C. was kind, helpful, informative and VERY patient. I appreciate that! I am very happy with my purchases.

Helpful and easy, made in the USA I looked on line for several months before finding the O2 concentrator that would provide what I needed at a price I could afford. A representative then then helped with and kept me informed of the progress. It was simple and easy which was greatly appreciated in this complicated world. Best of all the company is located in my home state and to product is made in the USA.

Always polite and helpful, goes above and beyond Always polite and helpful, have or find the answers to questions or needs, help find the right products for consumer needs, prompt and generous services. Far above and beyond any other companies I have been exposed to for oxygen and supplies...

While overall I was satisfied with the… While overall I was satisfied with the service. My contact (David Scherrer) dropped the ball by not contacting me when he did not receive the RX letter from our doctor. I had to call to find out what was holding up the order. After that the issue was resolved.