Devilbiss 5li oxygen concentrator . 110 volts but with step down heavy duty transformer. Oxygen tank 15 lbs with regulator and nasal canula and carrier. The best combination for those who have difficulty in breathing. Why pay for oxygen refill on a daily basis when a concentrator can provide the same oxygen for a lot less. 1 tank daily at 500 is 15...
NCR · Pasig · November 15, 2016