4C Air is a brand at the forefront of utilizing nanotechnology to create products and solutions that improve air quality. Our innovative nanomaterials, developed at Stanford University, allow us to develop cutting-edge solutions for cleaner air. We offer a range of products and services across various industries.

In the area of personal environmental protection, our patented BreSafe nanotechnology enables us to develop next-generation face masks and protective controls, enhancing personal safety against airborne hazards and poor air quality. Our research team is dedicated to developing innovative materials and textiles using nanotechnology, enabling countless new design applications. Furthermore, we are actively involved in industrial and consumer filtration, improving upon existing filtration solutions for automotive, aerospace, healthcare, and HVAC industries.

We also prioritize environmental sustainability by leveraging our nanotechnology to create alternative applications that reduce waste. Our nanotechnology provides exceptional filtration of hazardous particles at PM2. 5 and below, while maintaining low air resistance.

We continuously strive to develop new applications to improve air quality worldwide. Join us in our mission to provide safer, cleaner air through innovative nanotechnology products and solutions