US$ 499.50
oxygen flow: 1~7L/min
Anion: Anion generator air vents located in the machine
even in a pitch dark room
With built-in MPPT controller
Lithium Battery charger for 3L Oxygen Concentrator Therapy oxygen flow: 1~7L/minNote: This charging cable is only suitable for the batteries sold by our company, not suitable for other brands of batteries, please confirm before purchasing
US$ 499.50
US$ 22.99
US$ 20.40
US$ 20.40