Free delivery. 7 day Exchange and 1yr Warranty for non-commercial use.Im obviously respiratory oxygen industry professional. All my equipment is new or re-certified. And I always carry oxygen purity tester and can demo units performance at meet up.Please be really careful about purchasing life support equipment from someone that cant prove its purity output Low hours on machines, doesnt mean it works properly If the unit has been stored for period of time, the electrostatikly charged sieve material in columns usually loses charge pretty quickly.Also, as more and more people are posting junky machines, I feel compelled to share following advice Dont spend any money on oxygen concentrators, unless its Inogen, Phillips, Invacare, Caire, Oxlife and DevilbissDrive You have been forewarnedBarely used Inogen G3 Portable Oxygen Concentrator with only 88hrs. As you can see, it makes great oxygen purity. And looks like new tooIncluded are G3, 8 cell battery, carrying case, both car and home chargers.This basically new open box item was only used as demo. Additional single and double batteries available for $199 and $379.As you can see in the last pic, we liquidating large inventory of portables and home oxygen concentrators. Please lmk if you interested in one or quantity. And also please look at my other items for current offerings.
