Atomic Aquatics B2 Regulator, DIN Sealed with Color Kit and Z2 Octo Scuba Diving PackageThe Atomic Aquatics B2 Regulator, DIN sealed with color kit, pairs the trusted second stage design of the T3 with a robust first stage to deliver smooth, reliable breathing across scuba and diving environments. Built for underwater performance in saltwater and mixed gas scenarios, this regulator system remains approachable for divers while maintaining high end durability and steady airflow. Designed for practical use in underwater gear setups, the B2