The Naväge System is cleared by the US Food and Drug Administration (FDA) for use by children ages 12 and older. Saline nasal irrigation is clinically proven to relieve sinus congestion caused by allergies, hay fever, sinusitis, the common cold, dry air, dust, and pollution.Breathe better now, breathe better forever! Naväge SaltPods have a laboratory validated shelf life of 4+ years. HSA/FSA Eligible Contains 30 Naväge SaltPod Capsules.