Airvida Ultra 1.3-2.0 ATA Hard Shell Lying Hyperbaric ChambersAIRVIDA Hard Hyperbaric Chamber Ultra36 HIGHER PRESSURE, HARD TYPE DESIGN The AIRVIDA Ultra hyperbaric chamber is a hard shell hyperbaric oxygen chamber made of durable stainless steel material. With a larger size of 89 inches in length and 30 36 inches in diameter The chamber can operate at pressures of 1. 3, 1. 5 , 1. 7 , and up to 2. 0 ATA pressure, specially made with thicker material, allowing higher ATA pressure. The chamber is equipped with a