Summit to Sea The Shallow Dive – Hyperbaric Oxygen Therapy ChamberSummit to Sea The Shallow Dive Hyperbaric Oxygen Therapy Chamber The Summit to Sea Shallow Dive is the most compact and affordable hyperbaric oxygen therapy (HBOT) chamber in the lineup designed to deliver effective recovery and wellness benefits in a simple, space efficient format. With a 26 inch diameter and approximately 77. 5 foot length, the Shallow Dive is built for single user comfort while maintaining one of the smallest footprints available