AIR-O-SWISS Purifiers and Humidifiers from PLASTON – Our Advanced Air Treatment Systems optimizes your indoor air through proper humidification and air purification. PLASTON develops and manufactures technologically advanced air treatment systems such as ultrasonic humidifiers, air washers, air purifiers and evaporator humidifiers with exclusive functional design providing healthy room air. We have set new market standards with our digital Ultrasonic Humidifiers – AOS U650, AOS 7135 & AOS 7147. Our AIR-O-SWISS 2055A Air Washer (Humidifier & Purifier) is our newest generation with an automatic shut-off. Swiss design and innovation allows us to introduce environmentally friendly products like our refillable demineralization cartridge (DMC) and eco-friendly EZCal Humidifier Cleaner and Descaler. AIR-O-SWISS innovations like our new Travel Ultrasonic AOS 7146 and Evaporative Humidifier AOS E2441, a recipient of the red dot Design award, are just a few reasons to trust AIR-O-SWISS ~ Improving Your Quality of Life!