It gently pumps the saline solution into your sinuses, and I don’t know if it pumps saline all the way up
into the far reaches of your sinuses, because of gravity, but it follows the same line of treatment expressed here.
Neilmed Sinus Rinses squirt saline into the maxillary and ethmoid sinuses. It does not work for infections in the upper sinuses, says so right on the box. It only costs $13 at any local pharmacy.
There is also a neti pot, which was demonstrated by Dr.