Airvida Lying Hyperbaric Chamber 1.2-1.5 ATAAirvida portable hyperbaric chamber is our most popular portable hyperbaric oxygen chamber, designed for mild oxygen therapy at a higher working pressure range of 1. 5ATA. With a length of 89 inches and a diameter of 32 or 36 inches, it is the perfect size for personal hyperbaric oxygen therapy in the comfort of your own home, Comes with 7 big and long windows without further claustrophobia. This chamber is lightweight, simple to operate, and for