Dive Rite XT1/XT4 stage regulator. This is new old stock.. still in the box, yet to see the water! Complete stage/bailout regulator, comes with DIN XT1 first stage (balanced/environmentally sealed), XT4 2nd stage (balanced/adjustable), 1.5" 5000psi SPG on a short HP hose, braided flex hose and SS bolt snap.
