The Vicks Sinus Inhaler helps provide symptomatic relief from cough and congestion caused by colds, seasonal allergies and sinusitis. The ergonomic design helps the germ free steam to penetrate nasal, sinus and throat passages for fast relief. This Vicks Sinus Inhaler is designed to work with tap water and features an automatic shut-off once the unit runs out of liquid. HSA/FSA eligibleFeatures an ergonomic design that helps the germ-free steam to penetrate nasal and throat passagesProvides fast relief from symptomsAdjustable steam control