|Recommended use for: Nasal allergies, dryness & hay fever. Sinus pressure & nasal stuffiness. Nasal symptoms from flu & cold. Nasal irritation from occupational & house dust, fumes, animal dander, grass, pollen, smoke, etc. Post nasal drip & nasal congestion. Soothing, no burning or stinging, therapeutic saline rinse for nasal irrigation, moisturization and daily nasal hygiene. Preservative, drug, iodine, BPA, gluten & latex free. pH natural & isotonic: Hypertonic with two or more packets. Premixed packets of USP grade sodium chloride and sodium bicarbonate (Natural Ingredients with Purity level 99% or higher). Single piece, custom-designed black rounded cap fits any nasal opening. No push and pull components make for easy cleaning. Excellent cleansing prior to spraying nasal corticosteroids. Smooth Flow with easy-squeeze bottle. Empties nearly 95% in upright position. Suitable for use after sinus surgery and during pregnancy. Consult your physician with concerns. Portable for travel. Drug free, no burning. For large volume & low pressure therapeutic saline nasal irrigation moisturization & daily nasal hygiene. Soothing saline nasal rinse for natural relief.