A vaporizer puts out steam; this device has the same effect on the air by producing a cool mist
They regularly need rinsing or replacement; if this does not 
happen, air ... A vaporizer (steam humidifier, warm mist humidifier) heats or boils 
water,... [DOC] [TLE] Humidifiers and Health: Uses, Types & Risks - Healthline [PAR] Nov 25, 2015 ... Humidifier therapy adds moisture to the air to prevent dryness that can ... central 
humidifiers; evaporators; impeller humidifiers; steam vaporizers; ultrasonic 
humidifiers ... Ultrasonic humidifiers produce a cool mist with the help of 
ultrasonic ... Test humidity daily, especially if someone in your household has... [DOC] [TLE] When is a Cool Mist Humidifier Right for You?