Airvida Ultra Pressurized Hyperbaric Chamber (Adjustable ATA 1.3 to 2.0)Stainless Steel Laying Hyperbaric Chamber With 1. 3 1. 5 1. 7 2. 0 ATA Achieve HIGHER PRESSURE and adjustable ATA's for your protocol 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,