The Zeagle 7014DR 50lb Manta Bladder Assembly The Manta has the new style sewn-center-panel that now allows it to fit on the Zeagle and all other brands of Metal Backplates. The Manta is a High Lift (50 lb) Bladder Assembly and is ideal for twin tank and deeper Open Circut or Rebreather diving.|linebreak| It has two Over Pressure Valves (OPV) and comes with a 19" corrugated hose with a standard Zeagle Power Inflator.