i have asthma & lots of allergies.A doctor I went to had one & she loaned it to me over the weekend..i couldnt believe how much better i could breathe..i borrowed it a couple more times,then i went to the bank & borrowed the money,i told the banker that he may not understand why i was borrowing this money,,,but he told me his story..he had a heart transplant & he totally understood.! yes,they are safe,& since diseases cant thrive on clean air,,we leave ours on constantly,as the doctor said. it helps so much…wouldnt want to do without it!!!!!there’s even some on e-bay.I paid about $600 for mine & i’m glad i did.
i have asthma & lots of allergies.A doctor I went to had one & she loaned it to me over the weekend..i couldnt believe how much better i could breathe..i borrowed it a couple more times,then i went to the bank & borrowed the money,i told the banker that he may not understand why i was borrowing this money,,,but he told me his story..he had a heart transplant & he totally understood.! yes,they are safe,& since diseases cant thrive on clean air,,we leave ours on constantly,as the doctor said. it helps so much…wouldnt want to do without it!!!!!there’s even some on e-bay.I paid about $600 for mine & i’m glad i did.