NeilMed Sinus Rinse is an easy squeeze bottle system that allows you to deliver the saline solution with positive pressure to clean the nasal passages thoroughly, while maintaining your head in an upright position. You have complete control of the pressure and volume of solution, ensuring a gentle, soothing and therapeutic experience. Daily rinsing is safe and will keep your nasal passages clean, healthy and open. Physician developed. Uses: No. 1 selling formula for nasal irrigation. Drug free. pH balanced. No burning. Therapeutic nasal irrigation formula for daily nasal hygiene.