12-4/5" L x 11-1/4" W x 7-3/4" H, Non-Sterile, Integrated Scent Pad Vicks® Pure Warm Mist Humidifier for Relief of Cold & Flu Symptoms. This humidifier boils water to a pure steam vapor up to 96% bacteria free. This mixes with dry air in the cooling chamber to release warm, moist air into the room.