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    Customer Reviews of the Inogen One G4

    Reviews of the Inogen One G4 Concentrator
    Inogen One G4 Concentrator
    Manufacturer: Inogen
    Sku: IS-400
    Unit Overview:
    • Pulse Dose Settings of 1-5
    • 2.8 Pounds with 4 Cell Battery
    • 2.2 Hour Battery Life with 4 Cell Battery
    • Includes the G4 unit, 4 cell battery, AC power supply, DC power cable, carry bag, carry strap, cannula and manual.

    Customer Ratings and Reviews of the Inogen G4 Portable Oxygen Concentrator

    Inogen One G4 Portable Concentrator Inogen One G4 Mobile Oxygen Concentrator

    4.5

    39 reviews

    5

    72% (28)

    4

    15% (6)

    3

    8% (3)

    2

    3% (1)

    1

    3% (1)

    See All Reviews

    • Jody

      Great service 3 people found this helpful

      I had to replace my small Inogen Concentrator quickly and just one phone call and my new light weight concentrator arrived the next day. CHEERS!
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    • james

      Helpful customer service. Patient awareness. 3 people found this helpful

      Every service I ever asked for was done quickly, and usually within 24 hours. One day I wasn’t watching my battery life while I was outside shopping. The battery ran out I have to remember to pay attention, keep an extra battery in the car, and keep a bottle of oxygen in the car. The unit is only is good is how you use . The mistakes made were mine, not the machine.
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    • Marvel

      This is a very portable oxygen concentrator. 3 people found this helpful

      Small size concentrator is very portable.
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    • Lynn

      Excellent service and rapid shipping 2 people found this helpful

      Excellent service and rapid shipping. Plus the product was exactly as advertised.
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    • Rhonda

      Big shout out for Jake! 2 people found this helpful

      Jake was awesome to deal with. I was unsure if I needed a portable tank or not. I went to NC over the weekend and suffered without one. I shot him a text again on Tuesday. He convinced me to get the 4g. I paid to overnight it to me because I was leaving again on Thursday and I wanted to get it set up and try it out. Within 24 hrs I had the unit in hand and was just so excitied. I had my freedom again! It has kept my o2 consistant. I am already looking to get a smaller battery for extra time while I am out. I don't think myself being a small person could carry much heavier one. Thanks again Jake!
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