I am a proud owner of one of CaluTech's products. I own the Calutech Blue. I found out about Calutech thru another web forum. I have to say if you or anyone in your housedhold has any sort of breathing problems Calutceh units are for you. Not only has this unit helped my daughter with her breathing it has also helped all of us sleep better. I would also like to add that I installed this unit myself in my home. Calutech encloses a DIY kit that anyone can follow.
The only downfall I see is that currently the unit I own is on Sale for about $98.00 cheaper then when I purchased it.