Respimer netiflow sinus nasal irrigation sachets are for the use in the respimer netiflow they provide fast effective relief for heavy nasal congestion sinus pressure and nasal discomfort due to allergies hay fever and asthma respimer netiflow has the unique qualities of a formula similar to extracelluar fluid and an option to choose between two irrigation modes depending on the severity of your symptoms and your preference respimer loosens and clears secretions promotes proper funct