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LifeChoice ACTIVOX 4 L Portable Oxygen Concentrator

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  • Freedom with the Lifechoice ActivOx. Never miss special moments!
  • LifeChoice ActivOx 4L Portable Oxygen Concentrator
  • Activox 4 Liter portable oxygen machine is wearable
  • Lifechoice Activox 4 L Portable Oxygen Concentrator shown in case
  • Activox 4 L Top View of Display
  • Lifechoice Activox Top Display View
  • Lifechoice Activox  Shown in Carry Case

 Product Description

LifeChoice ActivOx 4 L Portable Oxygen Concentrator
by ResMed

| Pulse 1-4 | 4.8 Pounds | 10 Hour Battery | Unlimited Supply | FAA Approved | 24/7 Use | Car Charger |

Who can use the Lifechoice ActivOx 4 L portable oxygen concentrator?  Users requiring a Pulse Setting of 1,2,3, or 4 settings of supplemental oxygen. 

Call 1-800-958-0192 for a Special Phone Offer on ResMed Activox 4L! (Limited Time ONLY!)







We are excited to offer the newest addition to the ActivOx portable oxygen family -- the highly anticipated
LifeChoice ActivOx 4 L portable oxygen concentrator. The LifeChoice ActivOx Portable Oxygen Concentrator is finally available in a model that can provide up to 4 pulse settings. Until now, the popular Lifechoice ActivOx was only available in a unit offering 1-3 liters per minute. Now, oxygen therapy patients, who require up to 4 LPM, can enjoy the freedom and peace of mind in a more robust portable oxygen machine without having to compromise on weight.

Identical in dimensions to the other ActivOx models; the Activox 4L portable oxygen machine weighs just 4.8 pounds, and has truly raised the bar with its combination of size, weight, power, ease of use and high flow oxygen capabilities.

Like the previous model in the ActivOx family, the Activox 4L features the same unique Auto Mode and Pulse Wave Technologies that work together to deliver oxygen equal with the user's normal breath rate and breathing pattern. This intuitive technology results in a quiet, gentle delivery of oxygen to help minimize the uncomfortable side effects such as dry nose and sinus irritations that are often associated with other types of pulse-dose delivery oxygen concentrators.

The ActivOX 4L Portable Oxygen Concentrator with patented Auto Mode Technology and Pulse Wave Delivery is capable of providing a source of oxygen 24 hours a day, 7 days a week.   

  • Auto-Mode is an inherent feature that automatically detects changes in your breathing patterns and adjusts the unit's breath detector sensitivity accordingly to provide oxygen during all levels of activity during the day and throughout the night while at rest.  
  • The Activox 4L oxygen concentrator utilizes Pulse Wave delivery technology which is triggered on demand by the user during inhalation. The PULSE-WAVE Breath Detection Symbol will flash as you breathe. This is confirmation the device is delivering a dose of oxygen with each inhaled breath. If you stop breathing through the nasal cannula (mouth breathing), the 4L unit will begin delivering doses of oxygen automatically and will continue to automatically provide doses of oxygen until normal breathing resumes. 

Not only can the the Activox 4L deliver up to 4 liters per minute of oxygen but this device offers users a "best in class internal battery runtime" -- up to 10.25 hours of re-chargeable internal battery runtime. For oxygen users requiring additional battery life there is an optional powerful, lightweight, external battery available which provides up to 4.75 hours of supplemental battery runtime.  

The Activox 4L is FAA-approved for in-flight use on all domestic and international commercial airlines, making it the ideal portable oxygen travel system for long trips and vacations. The New ActivOx 4 L features a simple 'push button'  and easy to read display which simplifies operating your ActivOx and helps to reduce troubleshooting calls. The ActivOx 4 L comes standard with a custom carrying case allowing you to; carry the device with a briefcase handle, wear over the shoulder, or configure to be worn as a backpack. Your ActivOx 4 L system comes with both a AC (wall) Charger and DC (Vehicle) Charger to recharge your Activox's batteries.

Display & Control Panel View



LifeChoice ActivOx Specifications:

 Lifechoice Activox All Modes Specifications Guide



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 Product Reviews

Showing reviews 1-10 of 18 | Next

  1. Excitedly Pleased !

    Posted by Roy Knight on 4th Mar 2018

    I have used this machine for only 10 days now and I'm pleased to say it's a KEEPER. What I really like about is that you can set it on the floor and it does not tip over, it's comfortable too from the shoulder. Only down feature is the shoulder pad which could use a bit more padding.. Best of all is the looooong lasting batteries, five hours plus on first charge,

  2. I like it!

    Posted by Ray on 6th Jan 2018

    I have pulmanary fibrosis and doing hard things tired me very quickly. I now find I do much better!!! this morning I did .5 miles on the treadmill set at 1.5 incline and 2.2 mph. This was a huge improvement .
    Still felt good. I am 94 years old :-)

  3. Stop looking

    Posted by Karen Merlino on 24th Oct 2017

    Not only is this unit perfect for those of us who want freedom, this company is one of the best company I have ever done business with. The unit is great. I was told that it would be loud. I am on a 2 and it is not loud at all. Battery last a long time compared to other units. External option. Plugs for home and car. A really great unit. I have been around many portable compressors lately and I must say this is the best around. Stop looking.

  4. Great product, great service!

    Posted by Tina C. on 29th Jun 2017

    I bought this unit for my husband. He loves it, especially the 4L setting, as he needs a bit more O2. Easy to use, works consistently, light weight. And the service from Portable Oxygen Solutions has been outstanding! Alexis Palmer has been wonderful. We would buy from them again!

  5. Works as advertised

    Posted by Walter M. on 26th Jun 2017

    The Activox 4L is easy to use...the extended battery life makes it ideal for travel, and the internal battery recharges fairly quick.

  6. Perfect POC for me!

    Posted by Roselyn T. on 22nd May 2017

    Thank you for all your advice and guidance! This machine works very well for me and my busy life. I like that it is so small and lightweight and the battery is lasting me close to 8 hours which is nice.

  7. I love this portable concentrator!

    Posted by Harold R. on 4th Apr 2017

    I think this is the best small & lightweight concentrator available. It works great and with little maintenance. The battery life is fantastic for my busy lifestyle.

  8. So Nice!

    Posted by Sandra K. on 29th Mar 2017

    I have had my activox for a few weeks and it really works well. I am busy all the time and this machine allows me to go places and do things that I love. We are scheduling a vacation soon and I would not be able to go if not for this activox. So glad I purchased it and the folks here at portableoxygensolutions.com were so helpful answering all my questions.

  9. What an awesome machine!

    Posted by Rema B Howell on 2nd Aug 2016

    I purchased this machine over a week ago. Oh, I am so happy. It has been more than what I expected. I know I have the best machine ever. It is not heavy, and I wear it slung over my back. The battery lasts too. I am so impressed with this little machine. I was so happy to return those oxygen tanks. Some things that I can do again now that I have my machine is bike ride, go to the barn and check on the animals, walk around the field, go to church again. I am once again mobile. I just love this machine! It has great features and thankfully gives a sense of independence back to me.
    One happy customer!

  10. Great machine

    Posted by DTA on 5th Apr 2016

    I love this poc, I wear as a backpack and it gives me so much freedom. I can do more now than I have been able to do in along time.
    This is also a great company to purchase from. I am very happy with this machine and will do business with this company again.

Showing reviews 1-10 of 18 | Next


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