The oxygen concentrator maintains a steady supply of oxygen to the user while it is being produced. This generally requires a heavier model with more power, and some oxygen is wasted along the way.

Convenient oxygen humidifier bottle and adapter tubing replacement bundle Includes: 2pk Salter-Style Standard Flow (up to 7 liters per minute) Oxygen Humidifier Bottles Includes: 2pk Salter-Style ...

The oxygen concentrator maintains a steady supply of oxygen to the user while it is being produced. This generally requires a heavier model with more power, and some oxygen is wasted along the way.