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Oxus Reliability Plus Portable Oxygen Concentrator

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We want to give you the lowest price possible! Phone 1-855-926-4367 for the lowest prices on the most suitable Portable Oxygen Concentrator Package available.

Product Description

The Oxus Portable Oxygen Concentrator gives you the independence you deserve to live your life without worrying about bottle delivery, filling bottles at home, or running out of oxygen. Travel across town, or across the world, without worry.

Why Oxus?

Portable oxygen concentrators have many important features: size, noise, battery life, oxygen output, oxygen delivery method, etc. There are lots of portable oxygen concentrators (POCs) out there that claim to be the best at one of these features, but all of them have shortcomings as well. Only Oxus has designed a Portable Oxygen Concentrator with ALL of these features in mind.

The Oxus Portable Oxygen Concentrator is the only portable that can give you 850 mL/minute output delivered in a Fixed Bolus Mode*, at a quiet 43 dBA while weighing less than ten pounds, all in a flexible package that can travel flat under an airline seat, or vertical on a cart. You may find a competitor that beats one of these features, but you won't find one that can match all of them.


 Oxygen Output:

850 mL/minute


7.6" x 5.6" x 11.9"


9.9 lbs


87% - 96%


1 - 5, with 0.5 increments, pulse mode

 Oxygen Delivery:

Fixed bolus


Less than 43 dBA

 Operating Temperature:

Continuous operation from 41ºF to 95 ºF,
Short time operation up to 104ºF

 Operating Humidity:

5% to 95% non-condensing

 Operating altitude:

0 to 8000 feet

 Oxygen Sensor:


 Battery Life:

Approximately 3 hours at setting 2

 Battery Charge Time:

Approximately 3 hours while operating at
maximum setting (AC or DC power supply)



The Oxus Portable Oxygen Concentrator ships with the following accessories:

  • Battery
  • Carrying Case
  • Cart
  • AC Power Supply
  • DC (Car) Adapter Power Supply
  • Extra filters



How does the Oxus Portable Oxygen Concentrator work?
The air we breathe contains 21% oxygen and 78% nitrogen. The Oxus POC purifies the air by removing most of the nitrogen. This is done by compressing the air through a zeolite sieve.  The result is almost 100% oxygen.  The Oxus POC has a built in conserver, so oxygen is delivered only when you inhale.

Can I use the Oxus Portable Oxygen Concentrator while sleeping?
The Oxus POC will work for you while sleeping, as long as you are able to trigger the breath detection system in the conserver.  While the Oxus POC has one of the most sensitive breath detection systems, some people breathe too shallow while sleeping to trigger any portable oxygen concentrator.  Despite what some people say, NO pulse mode portable oxygen concentrator is guaranteed to work at night for you.  That is why Oxus recommends that you be titrated on the device overnight and get your doctor's approval prior to using it at night.

What is the difference between Fixed Minute Volume and Fixed Bolus methods of delivering oxygen?
Many portable oxygen concentrators deliver oxygen using a Fixed Minute Volume method.  This means that you get a fixed amount of oxygen per minute, regardless of your breath rate.  So, if your oxygen concentrator is delivering a fixed 300 mL/minute and you are breathing 15 breaths per minute, you will get 20 mL every breath.  But, when you exert yourself and start breathing faster, at say 30 breaths per minute, you will only get 10 mL per breath.  So, Fixed Minute Volume actually gives you less oxygen per breath, when you need it most.
The solution is Oxus' Fixed Bolus delivery method.  When you dial in a flow rate on our Portable Oxygen Concentrator, you will always get that flow rate regardless of your breath rate, up to the maximum output capability.  So, if you set the device to a 20 mL bolus (about setting 2.5) while you are breathing 15 breaths per minute, you will still get 20 mL per breath when you increase your breath rate to 30 breaths per minute.

Why should a portable oxygen concentrator have an oxygen sensor?
Portable oxygen concentrators are complicated machines.  Similar to a car, they contain a compressor, valves, electronics, hoses, etc.  Oxus spent 5 years testing our product to make sure you won't have any problems.  However, in the unlikely event that something does go wrong, we believe it is important to have an oxygen sensor that can detect if you aren't receiving the oxygen that you need. 

Why is breath detect sensitivity so important?
A pulse mode portable oxygen concentrator can only provide oxygen when it is sensing your breathing.  If the sensitivity isn't good enough, the machine will not consistently give you oxygen.  The Oxus Portable Oxygen Concentrator has been measured by an independant third party as one of the most sensitive POCs available.



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