Home Oxygen Generator with 1-10 liters per minute Oxygen flow. Create your very own home oxygen bar and enjoy the boundless oxygen supply at a reasonable price using our O2E2 Oxygen Generators with industry-leading specifications.


1 Year Warranty for the Rebuilt Machine.

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The Small Machine That Makes
All The Big Differences. 

Rebuilt 10LPM Oxygen Enhanced Exercise O2 Concentrator

Easy to Use

O2E2 Machines are easy to use convenient and cost-effective option.

Easy to Clean

You just need to periodically clean the external filter. 

Easy to Maintain

O2E2 machines are generally low-maintenance devices that require minimal upkeep. 

Easy to Move

Machine on wheels - O2E2 machines are designed to be lightweight and portable, making them easy to move and convenient for use at home


10 LPM Specifications

  • Flow Settings: 2-10 LPM

  • Oxygen Purity: 90±3%

  • Outlet Pressure: 20.0±1.0 PSI

  • Weight: 42 lbs

  • Dimensions (H x W x D): 62.2 x 34.2 x 30.4 cm

5 LPM Specifications

  • Flow Settings: 0.5 - 5 LPM

  • Oxygen Purity: 90±3%

  • Outlet Pressure: 5±0.5 PSI

  • Weight: 31 lbs

  • Dimensions (H x W x D): 62.2 x 34.2 x 30.4 cm


  • Designed to provide a steady oxygen flow of up to 10 liters per minute
  • Delivers oxygen to users with varying flow requirements
  • Lightweight and compact
  • Equipped with accessible user controls and battery-free alarms
  • Durable and reliable design for providing unlimited, trouble-free oxygen supply
  • Features audible and visual alarms, including High Pressure, High/Low Flow, Low Oxygen, High Gas Temperature, and Power Failure
  • Features quiet operation
  • Convenient handles for easy transport

Package includes

  • 10 LPM / 5 LPM Home Oxygen Concentrator (Rebuilt) 


  • 1 Year warranty for the machine

Why Use the Rebuilt Oxygen Machine


Rebuilt O2E2 Machines are typically less expensive than brand-new ones, making them a more affordable option for people who wish to try out EWOT but have budget constraints.

Quality Control

Rebuilt O2E2 machines are carefully inspected and tested to ensure that they meet the industry standards for safety and performance.


Rebuilt O2E2 Machines come with a full-coverage 1-year/3-year warranty based on the customer's choice, giving them added protection and peace of mind.


People are extremely satisfied with the O2E2 Oxygen Machine!

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Questions & Answers

How long does it take to deliver an order?

Normal delivery takes 3 to 5 days, depending on the location. We do provide express processing with next-day delivery for an additional fee.

Can I inspect the goods upon receiving them?

Yes, you can open the parcel to view the product when you receive the order.

What should I do if there is a problem with my product?

Please notify our customer service about your problem and send the product back for repair or replacement.

What payment methods do you provide?

We accept PayPal along with American Express, Visa and Master Card credit cards.



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