A Buoyancy Compensator Device (BCD) allows the diver to ascend to the surface by transmitting air from the diver's tank to the BCD. By the same token, discarding air from the BCD, the diver is less buoyant and can descend (sink) to the desired depth. The most common style BCD among recreational divers is the Jacket/Vest Style BC. It fits comfortably while offering great performance and tons of storage. The other style BCD is the Back Inflation which allows divers to reach more natural neutral buoyancy. Back Inflation style is popular among warm water divers and those who travel due to its lightweight design. BC Accessories give the diver more control during a dive when utilizing such things as Weight Pockets or a Power Inflator.
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