We have the beta model at http://www.plasmafire.com $1,800 The first time she had cancer we had a non-medical grade one from http://www.appliedozone.com It's about $550 now I think.
I want to say don't even spend the money unless she is willing to REALLY live, breath, & drink ozone. I don't think people realize how much ozone we ingested when curing my wife. It's not really something plesent smelling or tasting either. If the person is REALLY willing to do what ever it takes to wipe out the disease, they will conquer it I believe.
I think if the person has that real determination, they can beat the disease with a non-medical grade generator too like my wife did. I just want to worn her. I've seen people use various excusses for not doing it after buying a generator. I especially don't want someone spending their last bit of money on something they won't use, and wind up paying the hard way. I would rather them try something else instead of spending their last bit of money based on something I said.
I'm not trying to discourage you, just trying to make sure you're determined OK?