There are 3 levels.....
Level 1 -160 below zero
Level 2 - 200 below zero
Level 3 -220 below zero... It took me about 5 weeks to get here..
I was nervous in the beginning too, thinking I would die...But after you do it once you will see that you won't die.....
After you get out, your body will feel incredible....
The three minutes goes fast when the girl reads off the trivia questions to me.....Some people prefer music.....
Btw,
There is a gigantic difference when you go from -160 below zero to -220 below zero....No joke...
I have an unlimited membership at the place I go to which is a great deal....If you just pay per session it will cost a lot...
Here is another clip with a Dr. Explaining all the benefits.