Nasal irrigation involves flushing the nasal passages with a saline solution by washing away excess mucus as well as allergens nasal irrigation can reduce inflammation and relieve congestion runny nose and post nasal drip neilmed sinugator pulsating nasal wash is an easy to use system that allows you to delivery the saline solution with positive and pulsatile pressure to clean the nasal passages thoroughly while maintaining your head in an upright position you have complete control e