Used Ocean Reef GSM Mercury Communications Unit Condition:Very Good perfect for both recreational scuba

perfect for both recreational scuba diving and spearfishing

5 to 38 cm

It combines advanced features such as an air-balanced flow-through piston and user-adjustable controls to support divers in cold

an integrated suit saver to protect your wetsuit from snagging on the collar tab

The included Flex-Connect Dual Tray

Used Ocean Reef GSM Mercury Communications Unit Condition:Very Good perfect for both recreational scubaThis unit is blending four different OCEAN REEF units into one: the extended range of the Gpower, the like stereo sound of the GSM SL, the clearness and double channel option of the DC and the battery life of the Gdivers.