Neil Med Sinus Rinse is a natural way of relieving allergy & sinus symptoms. Allergy & sinus disease cause excessive mucus production in the nasal passages. Nasal irrigation will wash away this excess mucus & allergens such as pollen, dust particles, pollutants & bacteria thereby reducing the inflammation of the nasal membranes. Its patented positive pressure squeeze bottle system is easily controlled by the user allowing for the introduction of the solution into the nasal passages, causing volume irrigation. The user has complete manual control of the pressure & volume of solution as it enters into the nasal passages, allowing for a gentle, soothing & therapeutic experience. The positive pressure flow effectively removes thick mucus, crusts & associated pathogens. The saline formula is preservative free, drug free, isotonic & hypertonic, ph neutral, & doesn't cause burning & the delivery system is gentle & easy to use. The Neil Med Sinus Rinse system is the 1 recommended positive pressure system by ENT & Allergy specialists as there is a consensus among many ear, nose & throat specialists across USA, Canada, Australia, New Zealand & UK that positive pressure nasal ittigation systems provide the most relief to users suffering from allergy & sinus disease.