Air-O-Swiss Digital Warm/Cool Ultrasonic Humidifier (Model no. ASO7144)
At the price of $119.99, online $199.99 at Costco.com, this Air-O-Swiss Digital Ultrasonic humidifier is more expensive than the PureGuardian Ultrasonic Warm and Cool Mist Humidifier which we talked earlier. Both of them are Ultrasonic humidifiers that can vibrate at an ultrasonic frequency with ultrasonic sounds that are silent to humans. Air-O-Swiss Digital Ultrasonic humidifier claims that it emits micro-fine mist into the air, distributing […]
PureGuardian Ultrasonic Warm and Cool Mist Humidifier
Costco cuts $20 off on PureGuardian Ultrasonic Warm and Cool Mist Humidifier, model # H4810 to $64.99. Amazon.com has the same item priced for $98.72 with FREE Shipping. With ultrasonic technology, PureGuardian Ultrasonic Warm and Cool Mist Humidifier silently disperses a fine mist into the air, ideal for the use while you sleep as it’s virtually no sound. Features include: Large 2 gallon tank […]