Mares First Stage 62X TBP RegulatorEngineered for demanding conditions, this advanced first stage features TBP Twin Balanced Piston technology, fully environmentally sealed to deliver reliable performance in cold water environments. With Natural DFC on all LP ports, it ensures consistent, high gas flow at any depth, while AST (Auto Sealing Technology) keeps the first stage dry and protected from contaminants. The 300 bar black and gray DIN connector features a hexagonal grip design for