Costco - Neilmed Sinus Rinse Refill 250 count

The cleaning solution in Sinus Rinse (USP grade/United States Pharmacopoeia quality) is adjusted to a concentration close to that of human body fluids, so it is less irritating and does not cause a "tingling" sensation when injected into the nose. This refill contains approximately 96% sodium chloride and approximately 4% sodium bicarbonate. There is no need to adjust the amount, and the cleaning solution can be easily prepared, making it convenient and safe. Adopts a uniquely developed large volume & low pressure system (gently and firmly uses a large amount of water). Easy to use with one hand. A large amount of washing water is sprayed into the nasal cavity, thoroughly washing away dirt, dust, and pollen to keep the nasal cavity clean and moisturized. Rinsing your nose with a sinus rinse before using the nasal spray will make it more effective and efficient. No preservatives added. Can also be used by children* and pregnant women. *Recommended for ages 5 and up