I have major allergy issues and haven’t been able to breathe (easily) through my nose for as long as I can remember. This has helped drastically! The only issue I had wasn’t their fault at all. My septum is deviated so it only works one way for me instead of both (learned the hard way after I tried drowning myself). But looking into the collection tank after truly satisfying and very gross.
Length of Use: Less than 3 months
Bottom Line: Yes, I would recommend this to a friend