The seals help so that the air doesn't leak through the zipper. Seals usually don't have a problem until way past the warranty period. The most common problem is that they crack and split over time. Usually people that buy the used chambers, mostly the ones older than 10 years, can have this problem.

I wouldn't worry about the seals being and issue when buying a new chamber. The only thing is that some of the hyperbaric seals are behind 3 zippers versus 2 zippers. Some you gotta massage more than others to lay flat. When pressure is on the seal when inflated and the seal is not perfectly flat, this lowers the integrity of the seal and is probably why they crack over time. It's kinda like bending a paper clip. Sooner or later it will bend and break.

Notice: Some hyperbaric chambers do not have any seals between the zippers and make it much easier to zip up and get into the chamber. There is a choice to make before buying a chamber. do you want a rubber gasket between the zippers or do you wan the ones with no gasket with a triple zipper.

Please take my hyperbaric quiz and I will do my best to pick out the best one based on your answers you choose.


Our hyperbaric chamber quiz isolates all relevant issues without sales manipulation or hidden agenda. You should know these questions before buying a Hyperbaric Chamber. If any of the terms below are unfamiliar read the Glossary of Terms page before taking the quiz.
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I am interested in a
How many years do you want to keep the chamber rated for the top PSI?
How tall are you?
Do you prefer sitting or lying down in the chamber?
Are you going in the chamber alone?
Are you going to operate the chamber alone or with someone?
Will you be monitored?
Are you going to use oxygen therapy?
Do you care if it gets hot in there as long as you get the benefits?
Does being in a muggy climate bother you?
Loudness:
I plan to use my hyperbaric chamber for:
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If so, which one?
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Hyperbaric Chamber Pricing:
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If you are a Hyperbaric Chamber dealer do not call me. 
I will hang up if I even think you are a dealer trying to trick me. 
If you are someone who has a hyperbaric question that I have not answered on the website, please let me know and I will try to answer it.
I only try to help you based on the way you answer these questions, if you are looking to buy the right one for you.
I don't promote for the sake of doing it. It all depends on what you want because it's your choice and money. 
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How much oxygen saturation do you want?
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Hard shell >4PSI
not sure yet
soft shell 4PSI
10 years at peak rated PSI
5 to 10 years at peak rated PSI
1 to 5 years at peak rated PSI
yes, just me
No. I am going in with a child
No. With another adult
Yes. I do not need any help using the chamber
No. I will have someone help me
YES. I don't need a guage inside, only the outside
NO. I will need the guages inside the chamber
yes, an oxygen tank
yes, an oxygen concentrator
I am not doing oxygen therapy
yes, please make sure the air is cooled
no. I will sweat like a pig. I don't need any bells and whistles
Where I am is not too cold or hot so it doesn't matter.
Yes
No
I want it to be almost silent. I am sensitive to noise
some noise is ok
I will be wearing earplugs so it doesn't matter
Household Use - not more than a few hours a day
Light Commercial - regular use with a medium volume of users
Commercial - for use in a professional setting with high volume usage
Industrial Commercial - use in a high traffic clinic with it being in use constantly
Used one before but don’t remember the brand
Used one at my doctor's office
Saw one briefly but never used one
Saw them only over the Internet
I’ve been hearing about them
yes
no
I prefer made in U.S.
I prefer made in China
I prefer made in Taiwan
I don’t care as long as its quality
I want the best that money can buy as long as it is reasonable
I will take a display or demo chamber for a discounted price
I will sacrifice chamber size for higher effectiveness quality
I will sacrifice only bells and whistles I don't need for a good price
I want to maximize size and pressure and care less about component quality
The lowest price is the best for me
I want to be directed to the right source, I don't want to waste time and money in the long run.
I want to become a dealer so I would like to speak with the appropriate party.
I just want to get one within my set budget.
I will purchase right away if I can get approved for financing.
100% increase oxygen saturation
200% to 300% increase oxygen saturation
300% to 400% increase oxygen saturation
100% to 200% increase oxygen saturation
not sure
I do not want to have to oil anything
Periodic oiling is fine
I don't mind oiling the zipper all the time if that is what I have to do
I would prefer paying a refundable deposit and pay less per month
I would rather not pay a low rental fee and not have to put down a refundable deposit.
a sports injury
ASD, brain injury
a medical condition, healing
other
under $5000 short term use, entry level quality, may need to be sent in for repairs periodically
$5,000 to $10,000, residential grade, daily usage
$10,000 to $15,000+, commercial quality, long term usage