S800 portable hyperbaric oxygen chamber features high-strength aviation-grade TPU construction , delivering adjustable operating pressures of 1.3 ATA -1.5 ATA. Engineered for residential wellness and commercial recovery centers, this φ800mm x 2200mm cylindrical unit ensures consistent 93%±3% oxygen purity while maintaining low operational noise (<55dB). The system includes a comprehensive filtration unit and is backed by a 1-year warranty with full accessory support.