Swiss Made is more than just a label of origin. It’s a sign of outstanding quality, uniqueness, superior design, innovation, precision, and reliability. The CleanZone SL has not only been Swiss designed and engineered, it is also manufactured in Switzerland. Our devotion to the Swiss Made label exemplifies our commitment not only to what we make, but how we make it. By using the highest quality components, a team of dedicated craftsmen and women, and manufacturing processes refined over 50 years, IQAir is able to build the finest air purifiers in the world.