About AIR-O-SWISS Air Education Product Information Online Store

AOS 7531 Demineralization Cartridge (DMC) for Ultrasonics

When properly installed and maintained, this cartridge effectively prevents the release of minerals in the air.
Please exchange cartridge every 2 – 3 months, hard water usage may require more frequent replacement.
Cartridge granules may be refilled with AOS 7533 3-Pack Refill Granules.

AIR-O-SWISS offers two options for replacing the demineralization cartridge: Replace the whole cartridge with a new part (model AOS 7531) or use replacement granules (model AOS 7533 Refill Granules 3-Pack) to extend the life of the cartridge.

Compatible Products

AOS U600	AOS U650	AOS 7131
AOS 7133	AOS 7135	AOS 7142
AOS 7144	AOS 7145	AOS 7147

Learn More

My Account Customer Service Warranty PLASTON

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!