Airvida Alpha Hard Shell 2.0 ATA Laying Hard Shell Chamber With ASME CertificationsComes with x1 Air compressor, x1 Oxygen Concentrator, & a Water Cooler Delivers 93% concentrated oxygen with BIBS system Electronic Adjustable pressure up to 2. 0 ATA Manufactured In Europe This Airvida Alpha 90 Hyperbaric Chamber is equipped with a Built In Breathing System (BIBS), harmonizing with your breathing rhythm, ensuring a seamless oxygen delivery experience. Easy to use Internal and External Control Panels Whether inside the chamber or