Home » Poseidon Cyklon 5000 1st Stage 3720 Regulator Poseidon Cyklon 5000 1st Stage 3720 Regulator SKU: 241 Poseidon Cyklon 5000 1st Stage 3720 Regulator SKU: 241 Thanks to its welltested construction and design, the Cyklon is still the first choice of the German Navy and many others. Be the first to review this product Qty: Add to Quote Add Wishlist Add Compare Download Product Datasheet Description Features Cyklon was the first regulator in the world with a single hose and the demand valve situated at the mouth, and set a new world standard for diving regulators. Model: Plastic/Black, Metal Material: Cyklon 5000 2nd stage in plastic. Cyklon Metal The same design as the Cyklon 5000, but with the 2nd stage in metal. Technical features: Use either way up, Robust, durable, Approved for cold water diving, Reliable high performance