One unit of 8 oz buffered saline solution in a reusable bottle; 2 refill mixture packets included. (Additional packets available at your local pharmacy). No mixing necessary. From the makers of the original & patented Sinus Rinse. Large volume and low pressure. Therapeutic and preventive saline nasal irrigation, moisturization and daily nasal hygiene system. Nasal allergies & dryness. Nasal symptoms from flu & cold. Sinus pressure. Post nasal drip. Nasal irritation. Nasal congestion & stuffiness. For maximum relief rinse twice a day. Contains: 8 oz SinuFlo ReadyRinse reusable premixed saline bottle, 1 Sinus Rinse nasal irrigation cap and tube; 2 Sinus Rinse refill packets. Relieves symptoms from allergies, flu & the common cold. Nasal dryness; sinus pressure & nasal congestion; post nasal drip; nasal irritation from occupational and house dust, fumes, animal dander, grass, pollen and smoke. Mold; pollen; pet dander; virus; dust mite; dust. Contains no CFC which deplete the ozone layer. CE Listed. Made in USA.