Apeks DST, technical connection - Improved Apeks DST swivel turret - Two extra LP port (standard 4 now 6) - Optimized hose routing not only for twin (double) cylinders, bailout or sidemount divers Model set-up for doubles (twin config.): Left side: Straight hose routing of manometer guage and dry suit while back up second stage connected into axial LP port. Right side: Prime second stage straight routing while inlator connected into the axial LP port. Bailout/Sidemount advantages: Cylinder parallel hose routing. Three extra ports for first stage, inflator, swagelock, omniswivel.....

Don´t include Apeks DST 1st stage.