The BC-004 Yoke style Navy BCD from AQUATEC is an internal bladderless BCD. The outer layer bladder is made from tough 420 denier Nylon/PU, superior front stability, with one 0.4 liter pony bottle holder, 2 Over Pressure Valves, L/P hose and an Air 3 power inflator (Pat.) Alternate Air System.
Specifications:

Color: Orange, Black.
Size: Unique.
Buoyancy: 20(44) Kgs (Lbs).