Do you want a healthy home, the safe, natural way? Pure Guardian ultrasonic humidifiers are healthy and durable humidifiers with options to meet your needs. From a digital whole room humidifier to a compact manual humidifier, Pure Guardian humidifiers use technology to fight the growth of mold and bacteria in the water tank while delivering soothing moisture to your home. For you, this means relief without the expense. Just fill it, set it, and go.