Flo applicator bottle specially designed to deliver high volume of solution at low pressure. The rinse solution - a non-medicated, preservative-free isotonic irrigation solution, resembles the body's fluids. It results in an effective way to irrigate the nose and sinus cavities by decongesting the nasal passages & removing impurities & irritants. Flo Sinus Care is able to reach the lower sections of the nasal cavities - ensuring thorough cleansing for relief of symtoms of sinusitis and decongested noses.