Oxygen FAQ


Is the machine easy to use?
Yes.  Basically you plug it in, turn it on, insert the cannula in your nostrils and enjoy.

How much does the machine weigh?
48-50 pounds. New ones are 30.  They all have wheels.
How large is the machine?
Approximately 27in H x 19in W x 11-14in New ones are 20 inches high
How do I know that oxygen is coming out?
The units are made for severely sick people and engineered to alarm if they do not produce a minimum of 88%. They usually produce 92% and 95 %. You can order an oxygen sensor for an additional $60.00. We prefer to measure the oxygen being produced but using a fingertip pulse oximeter that measures blood oxygen in the fingertips. This saves you the cost of paying for the extra $60.00 that you can now use to buy a pulse oximeter which we find much more useful.
Can I change the amount of oxygen that comes out?
Yes.  There is a flow knob that goes from one half liter per minute to 5 liters per minute or 10 liters per minute on the 10 LPM machines.
How does it make the oxygen?
It takes the air from the room, filters out the nitrogen and gives you the pure oxygen. The nitrogen is absorbed by the zeolite in canisters inside the machine.
What comes with the machine?
One 50 foot plastic hose, one plastic nose cannula, and one water bottle. Included with some units is a hose to connect the unit to the water bottle.
What is the water bottle for?
It helps keep the nostrils moist.  You can use the machine without it.  It’s your choice.

Can I get a mask?
An additional $4.00 but do not use it for exercise, as it restricts breathing volume needed during exercise.
Extra nose cannulas?

$3.00 each with an option of 12, 24 and 50 at discounted prices.
Can I use the machine with my CPAP/BIPAP?

Yes. We offer an adaptor for $6.00.
How much do I exercise?

Dr. Bruce West recommends 30 minutes 3 times a week. Mike White uses it almost every day for at least 30 minutes but takes time off now and again to allow the cells to rebuild without any oxygen stimulus. Best to take time off if you experience any fatigue or mental fogginess which might be the oxygen detoxifying (see antioxidants below) and that may take a few days to run its course or some might want to let the new oxygen integrate. Many use a pulse oximeter (information noted in the units INFORMATION pack) to help gauge how much and how intensely to exercise.

Where are you located?
Charlotte, NC
Where does the machine ship from?
Midwest via FedEx.
Estimated time for arrival?
We mostly build them when ordered so between 1-2 weeks depending on how busy we get and the weather.   We try to surprise you by getting it there sooner than expected.
Do I need to buy tanks?
It does not use tanks.

Can I refill tanks with it?
Only if you have the Invacare Home Fill II System unit that accepts a Home fill compressor.  The Home Fill compressor costs between $1000 and $1500. We do not offer them.  If you are on bottled oxygen you should consult with your doctor about using our equipment because they often have specific requirements just for you that we know nothing about. We do not like oxygen tanks as they can leak and act as a projectile possibly causing harm to others.
Is there an air filter?
TWO or THREE depending on the unit. Some O2E2s have two outside and one inside. Others have one out and one inside. Wash the outside units in warm water weekly-monthly. Internal filters need replacing yearly for 24/7/365 users but hour a day users may never have to replace a filter. We offer a kit for $30.00 for that. You can order a kit for your particular O2E2 when you order the unit or by phone later on.
Is there anything I have to clean?
The outside filter and cannula, hose and water bottle.
Can 2 people use it at the same time?
Yes but that means that each person will receive half the oxygen the unit is capable of producing. Most share them during sleep as we recommend only 2.5 liters per minute for that sleep but you may experiment with 5LPM as well. You will need a splitter that we sell for $30.00.  Order the splitter/joiner by phone. Get two units if you want to exercise together with the full five liters each and use the joiner to join them..
How do I hook it up to my exercise machine?
You don’t.  It is a standalone machine.  The tube goes to your nose directly from the O2E2.
What exercise equipment should I use?
Geriatrics should focus on not falling and exercises that are easier on the joints like recumbent bikes or recumbent elliptical cross training machines. Anything that gets you moving that is safe.
Addiction to Oxygen?
By Danielle Rose, MD:  “We currently breathe roughly 21% oxygen and we know that breathing less than that is a cause of symptoms and problems with hypoxia or the body’s various tissues not getting enough oxygen to function properly.  The way the body gets this oxygen is through the lungs, which take in the oxygen from the air and release the carbon dioxide from the body’s metabolic processes.  The body has a certain ability to adapt to more or less of what it needs to function and does so but often not optimally.  It can do so much more easily with small changes than with large changes so we can gradually reduce the amount of oxygen in your air and your body can gradually adapt as it does with changing altitude or when chronic problems affect how well your lungs function, but eventually it will no longer be able to function normally with lower and lower amounts.
Same holds true for when we intervene with adding more oxygen or any other drug, the body gradually adapts to it and shifts its system function to having more oxygen.  Exercise (physical, breathing exercises, activity level, work of breathing are all included here) vs. rest (rest when healthy, rest when lungs are sick also will have large variations in how well oxygen is absorbed by the body) with and without extra oxygen also affect various aspects of how well the lungs absorb oxygen, how much ventilation is occurring and how much perfusion of blood is occurring, all of which need to be in place for maximal oxygen uptake by the lungs.  After uptake by the lungs and onto the hemoglobin, the tissues need to be able to absorb it into the cells and into the mitochondria of the cells all of which are affected by thousands of different metabolic processes.  Unlike oxygen on the hemoglobin which can be measured by a pulse oximetry machine, the oxygen actually in the tissues is not easily measured and much is unknown about various problems keeping adequate oxygen from getting into the tissues and cell mitochondria.
Most of the time, extra oxygen is done for people who have a lung problem.  The extra oxygen helps the body overcome some of its limitations from illness and get enough oxygen to function and heal.  Clinically this results in the person feeling better because there is less stress of breathing.  As the person improves the oxygen is weaned to allow the body a chance to gradually get used to providing the same functions with less help just like you don’t walk on a broken leg without a cast and then you don’t run a marathon right after the cast is removed.
You allow your body to gradually regain better function in slower paces.  We know that just keeping the body on continual oxygen over and above what it is capable of adapting to will result in permanent damage to the lungs, which is called pulmonary oxygen toxicity. Continuous 24/7/365 oxygen is not recommended unless your life is in jeopardy without it. So there is a range of oxygen that is helpful for the body where too little or too much causes problems. This is called the therapeutic window as it is with other substances.  This can differ between people or even in the same person over time and over a course of illness depending on the person, time in the person’s life, genetics, metabolism, exercise, etc.  Intermittent exposure to higher oxygen with many hours of “normoxic” breathing between the higher exposures has not resulted in pulmonary oxygen toxicity.  Many have reported improved function with intermittent oxygen especially when done with exercise.  So, as with any food, supplement, or medication, oxygen needs to be taken carefully, in moderation and with consideration of all the variables affecting your personal health”
Free Radicals.
There are good free radicals and bad ones. Oxygen is a good free radical. For more about that read Flood Your Body With Oxygen by Ed McCabe. Think of exercising as making Oxygen “active”.
One key factor may be antioxidants.
Oxygen is not only necessary for every cellular action in your body but it also creates healthy free radicals as a byproduct of O2 combustion.. Antioxidants aid in cellular metabolism as well as enhance these health free radicals as well as neutrlie the unhealthy ones. Strictly speaking the more O2 we uptake the more antioxidants we should have but we rarely hear of an oxygen prescribing MD recommending antioxidants to anyone on oxygen.  That may well stem from a traditional medical model that often states/believes nutrition doesn’t have much or anything to do with health.  We suggest that if you want to optimize your O2 utilization you increase your antioxidants such as A, B, C, D, E, Coenzyme Q10, germanium, super oxide dismutase (SOD) and organic sulfur. Certain kinds of blue green algae ( www.breathing.com/e3live.htm ) can also aid in transporting extra oxygen. Ask your favorite health professional for a good .
Dry nostrils?
Use more water in the bottle and/or swab sesame oil on a Q-tip inside the nostrils.
Why an O2E2?
We stand behind our products. We have the best prices in the country. Many oxygen generators are sold by private parties who inherited one from a diseased relative or small companies that may well not withstand the test of time and render your warranty worthless .  We have been in business for over 20 years, refurbish thousands and will always be here if you need.
Shipping returns?
If not satisfied for any reason, your O2E2 can be returned within 2 weeks of delivery for refund of purchase price, less $125.00 (Continental USA) and $250.00 (Alaska, Hawaii and Canada) for shipping to and from the shipper and less $10.00 for the nasal cannula and tubing (unless these are returned unopened). O2E2 must be received in good operating condition to an address we will provide along with the Return Authorization number. . In any event and in case of repair keep the box and packaging material.
The percentage of oxygen in the atmosphere does not change with altitude, so it is about 21% at 10,000 feet. What does change is the pressure. This declines with altitude. At sea level the air pressure is about 101 kPa (kilopascals). Oxygen accounts for 21% of this so the oxygen pressure is 19.6 kPa. This means that there are less oxygen molecules in the same volume of air at higher altitudes. At 10,000 feet for example the oxygen pressure drops to 7.2 kPa, which is roughly one third of the pressure at sea level.
For an online calculator of oxygen levels at different altitudes please click here.
With increased altitude, tidal volume (lung volume) needs to be increased to offset the lower air pressure (think the barrel chests of mountain men).
How long will it last?
It is built to last 25,000 hours.  So at 1 hour a day it could last 68 years.  We suspect it will become part of people’s estates and get willed just like jewelry, stocks and real estate.
What better gift to give a loved one but enhanced breathing for living.

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