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 Advantages Soothing, No Burning or Stinging Large Volume & Low Pressure™ System for Saline Nasal Irrigation, Moisturization and Daily Nasal Hygiene Single piece, custom-designed rounded black cap fits any nasal opening. No push and pull components make for easy cleaning. Preservative, Drug, Iodine, BPA, Gluten and Latex Free Premixed Packets of USP Grade Sodium Chloride & Sodium Bicarbonate (Purity level 99% or higher) Excellent cleansing prior to spraying nasal corticosteroids pH Balanced & Isotonic, or Hypertonic with two or more packets 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 Money back guarantee