i have always wanted a concentrator i… i have always wanted a concentrator i could use any where i go. one that is affordable and portable, i have C O P D and it is hard to get around with those tanks. and i wanted one that would last a long time when i am traveling or out shopping or what ever. well Oxyensure came through they have a portable concentrator that will last 8 hours the machine i got comes with an internal battery and a external battery so i have a lot longer to go out where i want. they have a variety of packs you can buy , and they will help you finance the machine so you can afford it .happy with OXYENSURE

I just found that the concentrator is a… I just found that the concentrator is a bit too heavy for me. As far as the oxygen delivery, it helps me immensely, especially while wearing a mask. The customer service has been great, I love the protective case that came with it, and the packaging and delivery was excellent.

My Oxyensure Concentrator has been wonderful for the most part. My Oxyensure Concentrator has been wonderful. I have only had a couple of times when I've had to send it for repair and the staff have been friendly and helpful.

Love it lot better than tanks Love it lot better than tanks. Great company needed a replacement carry bag no problem no questions pleasure doing busiiwith

good and bad… when my machine broke they did send a lender, fixed my machine and i returned the lender one. Received a call several months later stating I never returned it. I am trying to go to the site to look at an external battery and can not get there. Keeps saying please contact us. Why? I just want to look.