Poseidon Scuba Regulator Set: Jetstream 3980 1st S

Up for sale is a classic, robust Poseidon Scuba Diving Regulator configuration. This high-performance setup combines two of Poseidon's most legendary workhorses into a highly desirable package for cold-water, commercial, or technical diving applications. Because of its side-exhaust configuration, the second stage is completely ambidextrous and can be fed from either the left or right side. What’s Included: First Stage: Poseidon Jetstream 3980. A highly durable, balanced rolling diaphragm first stage known for rock-solid performance in demanding environments. Second Stage: Poseidon Cyklon. Features the iconic round barrel design with a high-flow horizontal slatted purge face. Highly favored by commercial and military divers globally. Hose: Included black low-pressure regulator hose. Condition & Service Notes: Cosmetic Condition: Used, showing normal cosmetic signs of age and wear (light surface scuffs on the plastics/metals), but structurally sound with no deep cracks. Operational Condition: Untested. This gear has been sitting in storage. Please Note: As with all life-support scuba equipment that has been stored or purchased second-hand, this regulator set MUST be inspected and fully serviced by a certified Poseidon technician before hitting the water. This was my own personal equipment and was serviced by me in the past. Im a qualified poseidon service technician. Serviceability: Unlike some legacy models, both the Jetstream 3980 first stage and Cyklon second stage are fully supported by modern Poseidon service networks, meaning authorized facilities can easily source factory service kits for this setup.