FLO Sinus Care refill sachets offer a natural solution to relieve nasal congestion. This isotonic saline wash is preservative-free and non-medicated, making it safe for daily use to wash away mucus, pollens, irritants, and other allergy-causing particles. FLO Sinus Care is designed to help alleviate congestion caused by cold and flu, hay fever and allergies, CPAP therapy, and other irritants. Its gentle saline wash can be used by adults and children four years of age and older and is also ideal for post-operative care. With its non-medicated, preservative-free formula, FLO Sinus Care helps thin mucus and clear irritants to relieve congestion naturally. The solution closely resembles the body's natural extracellular fluid, making it gentle to use. It is an economical way to re-use your existing Flo sinus bottle not to mention environmently friendly too! Legal Disclaimer - Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition