O2E2 – Oxygen Machines with Endless Oxygen Supply

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Experience the convenience of having your own home oxygen bar with our O2E2 Oxygen Generators, offering top-notch specifications at an affordable price.

The Inspiration Behind “O2E2”

We affectionately refer to our oxygen machines as O2E2® due to their short, roundish design, reminiscent of the Star Wars Robot R2D2®. O2E2 stands for Oxygen + Energy Squared or Oxygen Enhanced Exercise and Rest, as these machines can be used before, after, or during exercise, as well as for enhancing rest during naps or sleep.

Benefits of O2E2 Machines

No Dryness

Say goodbye to dry nasal passages. Our units come with a water bottle that adds moisture to the oxygen, ensuring comfortable usage even for extended periods.

Convenient for Home Use

Skip the trip to the gym and work out in the comfort of your own home. Save time on commuting and contribute to the environment by reducing your carbon footprint.


Eliminate the need to spend a dollar per minute at commercial oxygen bars. Your O2E2 will pay for itself after just a few hours of usage, and there’s no need for oxygen bottles.

No Gimmicks!

Our equipment does not require FDA approval as it is designed for recreational use. However, the long-term health benefits are an added bonus.

Built to Endure

Built to industry standards, our supplemental oxygen therapy machines can last between 5 to 10 years with average daily usage of 30-120 minutes.

Loaded with Accessories

Our units effectively separate harmless nitrogen from the air, providing nearly pure oxygen through the tube.

Full Warranty

Enjoy peace of mind with our Three to Five-year warranty for new units and One to Three-year warranty for refurbished units.

Modern Technology

Equipped with onboard computers, our O2E2 units ensure perfect performance at all times.

O2E2 Machine Variants

Choose between two variants of O2E2 Machines based on the flow of supplemental oxygen per minute:

5 LPM (Liter Per Minute) Machines – Available in New and Rebuilt options.

10 LPM Machines – Available in New and Rebuilt options.

Customization Options

Enhance your oxygen machine with our Reservoir Bag and Mega-Flow Mask System, or opt for the complete Turbo Oxygen System for even more benefits. For an introductory trial, you can also purchase just an O2E2 Machine to use with a nose cannula or 1-liter reservoir bag/mask. For optimal results, consider our Oxygen Machine-Reservoir Bag Combos.

Key Features of O2E2 Machines

New Machines:

Continuous 24/7 operation

The total life span of 20,000 hours

Safe for patients with Power Failure Alarm, Low Purity Alarm, High-Temperature Alarm

Easy mobility with push capability

Filter replacement required after 3000 hours of use

Silent operation for undisturbed sleep

Compatible with 100V-240V, 50-60Hz power supply

Suitable for patients requiring 1-10 liters of oxygen

Optional nebulization function

Rebuilt Machines:

Deliver 87% to 96% Oxygen Purity

Lightweight and compact design

Robust and durable with Proven rotary valve design

User-friendly patient controls

Accommodates up to 50-foot oxygen tubing plus a 7-foot cannula

Equipped with Oxygen Sensing Device for safety and longer service intervals

Lockable Flow Meter

Alarms indicate various conditions, such as Power Failure, High Gas Temperature, High Pressure, Low/High Flow, Low Oxygen, and Service Required.

Specifications – New Machines

Specifications5 LPM Machine10 LPM Machine
Flow Settings1-5 LPM2-10 LPM
Oxygen Concentration1 to 5 LPM 93%±3%2 to 9 LPM 93%±3%
10 LPM 90%±3%
Output Pressure8.5±5psi (58.6 kpa)12.5 psi (85 kpa)
Sound Level≤45dBA≤50dBA
Dimensions L*W*H (mm)373*322*570373*322*570
Weight36.6 lbs43.2 lbs
Input Voltage220V/115V220V/115V
Input Frequency50Hz/60Hz50Hz/60Hz
Average Power Consumption285 W(Average)650W (Average)
Alarm TypePower Failure Alarm, Lower Purity Alarm (Optional)Power Failure Alarm, Lower Purity Alarm (Optional)
Oxygen Percentage Indicator(OPI) Alarm LevelsLow Oxygen-82%
Very Low Oxygen-75%
Low Oxygen-82%
Very Low Oxygen-75%
Operating Temperature50°F to 95°F (10°C to 35°C)50°F to 95°F (10°C to 35°C)
Operating HumidityUp to 95% relative humidityUp to 95% relative humidity
Operating AltitudeUp to 12,000 feet (3657 m)Up to 12,000 feet (3657 m)
Storage/Transport Humidity10% to 100% up to 95% relative humidity10% to 100% up to 95% relative humidity
Storage Temperature-104°F to 158°F (-40°C to 70°C)-104°F to 158°F (-40°C to 70°C)

Specifications – Rebuilt Machines

Specifications5 LPM Machine10 LPM Machine
Delivery Rate0.5 to 5LPM2.0 to 10LPM
Maximum Recommended Flow5LPM10LPM
Outlet Pressure8.5 psig20.0 psi ± 1.0 psi
Oxygen Percentage1-5 LPM, 87% – 96%2-10 LPM, 87-96%
Low Oxygen Indicator<82%- Low Oxygen
<60%- Very low Oxygen
<82%- Low Oxygen
<60%- Very low Oxygen
Electrical Rating115V, 60Hz,3.3Amps120V, 60Hz, 6.1Amp
Power Consumption310W (Average)
275W at 1.2LPM & below
120Vac, 60Hz: 639W (Average)
Operating Altitude
(tested at 70°F only)
0-1500m (0-4921 feet)
No degradation of performance across the voltage rangeNo degradation of performance across the voltage range
Operating Environment Range
41°F to 95°F, humidity range of 10% to 95%
No degradation of performance across the voltage rangeNo degradation of performance across the voltage range
Storage Conditions-13°F to 158°F
Humidity range of 15%-93% non-condensing
-13°F to 158°F
Humidity range of 15%-93% non-condensing
Product Dimensions24.5”(H) x 13.5”(W) x 12”(D)24.5”(H) x 13.5”(W) x 12”(D)
Product Weight36 lbs (16.3kg)42 lbs (19kg)
Product Warranty1-3 Years1-3 Years