AirCare 2 Gal. Capacity 1200 Sq. Ft. Tower HumidifierTower humidifier featuring a small footprint, sleek lines, and digital controls. Works by adding invisible moisture to your environment by moving dry air through a saturated wick. Maintaining proper humidity levels between 30 to 50% in your home, office, and workplace has been scientifically proven to help prevent the flu and allergies. Proper humidity hydrates your skin, alleviates dry eyes, scratchy throats and can reduce snoring. It also protects