GRUNDIG Oxygen Concentrator 93% Elevated Portable 6 L/min Oxygen Flow Adjustable Negative Ion Oxygen Generator for In-Car Use

Designed in Germany.GRUNDIG is the top brand in the world.TIME: The total working time is shown on the display and equipped with a scheduled shutdown function, which is easy and clear to use.
COMPACTNESS: This machine is 14.3lb/6.3kg only, it’s convenient to move and carry. Suitable for family, travel, and car use.
APPLICABLE: This device is not only used for the elderly, pregnant woman but also for white-collar, businessmen, students, etc.
The next generation in the market.First quality for the first.
100% Lifetime Guarantee – We’re incredibly pround of our craftsmanship and offer a lifetime warranty on all our products.If you Grundig machine isn’t workable,simply give us a shout and we’ll replace them free of charge.