The AIR⁺ suite of respiratory protection solutions is innovated and developed by ST Engineering, a global technology, defence and engineering group with offices across Asia, Europe, the Middle East and the U.S., serving customers in more than 100 countries. The Group uses technology and innovation to solve real-world problems and improve lives through its diverse portfolio of businesses across the aerospace, smart city, defence and public security segments. For more information please visit www.stengg.com.