Poseidon Cyklon
Certified Pre-Owned: fully serviced, inspected, and tested beyond manufacturer guidelines by a certified technician. Covered by the 6-month / 100 dive-hour DescendAgain warranty, with a free parts kit on your first annual service.
Ships fully insured from our service center. Orders are packed and dispatched within two business days.
About this certified used regulators
The Poseidon Cyklon is a legendary scuba diving regulator first introduced in 1958 . It revolutionized underwater exploration as the world’s first single-hose regulator with the demand valve situated at the mouth. Over six decades later, its highly reliable, robust design remains a preferred choice for military forces (such as the German and US Navies), commercial divers, and cold-water technical divers. Key Technical Features Ambidextrous Design: The second stage has no designated top or bottom. It can be fed from the left or right side and works perfectly upside down, making air-sharing simple. Side-Exhaust System: Bubbles are diverted away from the diver’s face to keep the field of vision completely clear. The side-purge setup also prevents current-induced free-flows. Extreme Cold-Water Performance: Engineered in Sweden, it is certified to EN250 cold-water standards and resists freezing down to extreme depths without needing a separate environmental seal. 🤿 Certification & Inspection Report Date of Inspection: 7/17/26 Inspected By: Malibu Scuba Repair Current Bench Test: Fully Tested and Passed Initial Inspection. Functions perfectly but as will all DescendAgain regulators it will be full serviced with new owner information on a current dated repair order once purchase has been made. 🔍 Visual Condition Notes Very mild surface corrosion. 📦 What is Included Poseidon Cyklon 1st and 2nd stage only. To add the stage bottle bundle to your cart to include the low pressure inflator hose/Halcyon SPG bundle. ✅ 6 Month Full Warranty ✅ Free Parts on your first Annual Service ✅ 10% off Annual service for life Please see Terms and Conditions that apply. 🛡️ The Descend Again Guarantee Every piece of certified equipment has been fully rebuilt and thoroughly tested. We offer a 30-day return window if the equipment does not match this inspection report.
Like every piece of used dive gear on DescendAgain, this one went through a certified technician's bench before it was listed: stripped, serviced with the right parts, tested beyond manufacturer specification, honestly graded for cosmetics, and covered by our Certified Pre-Owned warranty. It ships from the dealer that serviced it.
Certified by Malibu Scuba Repair in Pasadena, CA.