SIT OR RECLINING INSIDE OF YILONG LARGER CHAMBER TO ENJOY THE HBOT TREATMENT IN A MORE COMFORTABLE WAY The O2BAY soft sitting hyperbaric oxygen chamber is a portable and flexible hyperbaric chamber that enables you to sit or recline during your HBOT therapy. Standard working pressure is 1.5ATA, safe and effective! O2BAY Portable Sitting Hyperbaric Chamber provides a very spacious interior space and can accommodates 2 adults together. Our sitting/reclining type chamber from O2BAY Hyperbaric is a 1.5 ATA Chamber the includes a retractable chair along with a total of 4 extra large windows. This large of windows are sure to ease clausterphobia. This deisgn is also aestetically pleasing. design is a great choice for those unable to step into a top entry chamber or simply want the flexibility of going from sitting straight up to laying back in relaxation. Users enter from the front of the chamber because the curved zipper design makes it easier to enter and exit. With an 90-inch length, those of all sizes can have the comfort to stretch their legs in this chamber. This is one of our best portable hyperbaric chambers able to deliver compressed oxygen at 1.5 ATA(7PSI). This hyperbaric chamber offers an upgraded 10 LPM oxygen generator producing 93%+ oxygen purity for the most effective treatments. Our system has been built with safety in mind with an emergency pressure relief button to speed the exit of the chamber in emergency situations and dual pressure gauges both inside and outside providing redundancy of airflow. The incredible versatility of our proprietary comfort chair that is included with our sitting chamber allows for adjustments from lying flat to upright in fine incremental steps.No other chamber in the marketplace offers this feature. Our hyperbaric oxygen system offers a premium feature that our competitors do not offer at competitive pricing.