hydraSense NetiRinse Refill Salt Packets effectively help to reduce and relieve nasal cold symptoms. They work in conjunction with the hydraSense NetiRinse to clear nasal obstructions and secretion as well as helping to relieve nasal congestion and related sinus pressure. Use 1 salt packet for daily nasal care, or 2 salt packets for specialty nasal care. Includes 60 pre-measured 4g salt packets. This product may be used with other sinus rinse devices. To be sure this product is right for you, always read and follow the label.Contains 60 Pre-Measured 4g Salt Packets. Can be used universally with other self-mix sinus rinse devices. Does not include any chemical additives, preservatives or iodine. Can be used on a daily basis by using one salt packet, or using 2 salt packets daily for specialty nasal care. Effectively reduces and relieves nasal cold symptoms such as nasal obstructions and secretion, Nasal congestion and related sinus pressure.