i know there have been numerous posts about the eflow but i would appreciate it if you all would put up with just one more. I have started looking into getting one and want to know what meds can and can't be used in it, what it costs/does insurance cover it, what do the replacement cartrages cost and is it really worth it for the time saved in doing nebs? Is there anything else i should probably know about them before i go get one? do i have to have a perscription for it? My insurance covers one nebulizer every 3 years and i'm coming up on that and really wanted to make insurance pay for it if i can