hydraSense NetiRinse 2-in-1 Nasal & Sinus Irrigation Kit Benefits: - Choose between 2 irrigation methods, the gentle gravity technique or the more intense squeeze technique. - The NetiRinse VaryFlow control collar system allows you to select between 2 levels of flow intensity.- The NetiRinse ComfortSeal nasal tip allows the solution to flow freely into the nose with maximum comfort. Ingredients: The pre-measured and ready-to-mix salt packets contain: calcium chloride, magnesium chloride, potassium chloride, sodium bicarbonate and sodium chloride.