【Unused】Oxygen Concentrator I purchased this but never had the opportunity to use it, so I am selling it. The main unit is unused and has been stored at home. 《Included Items》 ・Remote control ・Oxygen supply tube (nasal cannula) x 2 ・Oxygen mask ・Nebulizer mask? ※Please confirm the names with the photos, as I am not certain about some of them. All items are unused. Some items have been opened, but they have not been powered on or used. Please allow approximately one week for shipping.