Relief from sinus congestion, hay fever, and allergies: The sinus irrigation or wash kit is designed to alleviate congestion resulting from sinus issues, hay fever, and allergies, providing relief for individuals experiencing nasal congestion and discomfort. Non-medicated and preservative-free: Flo Sinus Care is a non-medicated and preservative-free isotonic irrigation solution, ensuring it is safe and gentle for regular use without the use of medications or preservatives. Isotonic solution: When reconstituted, the solution closely resembles the body's own tissue fluids, making it gentle and compatible for use in the nasal passages and sinus cavities. High volume-low pressure irrigation: The bottle is designed to deliver a high volume-low pressure irrigation solution, offering an effective way to wash or irrigate the nose and sinus cavities without causing discomfort. Convenient refill pack: With 50 sachets included in the pack, users have an ample supply of irrigation solution for ongoing nasal care. Overall, the Flo Sinus Care Refill Pack provides a convenient and efficient solution for maintaining nasal and sinus health, offering relief from congestion and promoting comfort.