Very honestly, I tested several baby fly, classic manual aspiration, (but snot back into his mouth.) The electric Beaba (my son hates ....) and that the. I think this is the best we can do with the washing of the nose (no need for serum physio.) And then, in addition to washing the nose very high water (one pass per nostril enough!) We can aspire with! For 3 euros, I regret nothing!