What is vicks warm steam sinus inhaler the sinus inhaler provides warm, soothing steam to naturally relieve congestion, coughs, and other cold symptoms. This portable device delivers a penetrating mist that eases breathing by moisturizing dry nasal and throat passages. It works with menthol and essential oil vapopads to add a calming, aromatic element to the vapors. Adjustable steam control allows you to customize the intensity. For safety, it has an automatic shut off feature. The sinus inhaler comes with two menthol vapopads infused with essential oils to get you started.