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Reg. Price: $1,180.00
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Ocean Reef Neptune Space G.divers w/ Diver Communications Unit

Ocean Reef Neptune Space G.Divers Full Face Mask

Be an explorer, be adventurous, be a responsible diver with the new G.divers line from OCEAN REEF!

The streamlined visor, made of transparent polycarbonate, is designed to be wider and sit closer to the face than previous full face masks. The G.divers design maximizes the visual field, particularly the peripheral area. The visible light transfer of the visor is 92%. These factors give divers an astonishingly clear view of the underwater world.

The patented bellows style face skirt, molded from premium grade silicon rubber, uses a "spring profile" and large sealing double the size and spacing (30-45mm), to achieve a very comfortable fit and ample support. This "spring" effect is a combination of the double "S" section and the inner support ribs which allows the G.divers full face mask to "float" comfortably on the face. The head strap is directly attached to the face shield, allowing pressure to be distributed equally along the mask skirt. The six straps of the head harness hold the mask in a firm position due to their low elasticity. The tip of each rubber strap is wider, making them easier to grasp while wearing neoprene gloves. The FRB II (fast rotating buckle) allows the mask to be donned and doffed quickly. These unique face seal and strap concepts are OCEAN REEF patents.

The Neptune Space G.divers air circulation system is one of a kind and is designed to eliminate fogging and reduce the amount of CO and CO2 buildup. The silicone orinasal pocket is built with 2 one-way valves through which air is inhaled. Exhaled air is directed through a valve under the orinasal pocket. This limits the mixing of used air (which contains high amounts of CO2) with the fresh air breathed from the regulator, allowing for a much safer dive and reduces the risk of breathing harmful gas build-ups.

Water that may seep into the mask is easily eliminated
by exhaling or pushing the "purge" button on the second stage. Mask squeeze, a common problem for conventional masks, will not occur with the Neptune Space G.divers because the pressure inside the mask is equal to the pressure outside the mask. Equalization can also be a common issue for some divers. The Neptune Space G.divers full face masks make clearing a breeze with the patented OCEAN REEF 3-D equalization system. The system consists of a movable plate and 2 eccentric blocks (these blocks move close to the nostrils when the upper part of the visor is pressed). Before donning the mask, the blocks may be moved up or down depending on the length of the diver’s nose. The 3-D equalization system can be adjusted for wide and narrow noses.


  • Newly designed G.divers exhaust air system.
  • New G.divers SAV/octopus port which makes installation of a Surface Air Valve accessory or octopus using the adapter very easy.
  • Colors available (emerald, cobalt, white and pink).
  • 2 year warranty.
  • Very affordable to recreational divers.

Ocean Reef GSM G.Divers Communications Unit

The underwater communication allows a great evolution of the diving activity and an outstanding improvement of the underwater instruction and education.

Besides, the underwater communication
is also making the diving activity safer and more enjoyable. The new GSM G.divers transceiver (high performance communication system) expands the diver’s ability to communicate with others verbally. The ultrasonic transceiver boasts the autonomy of approximately 30 hours in receiving mode, a range of operation of 200-250 meters (calm sea water), lightweight and sleek design. It is a powerful, single channel and inexpensive PTT (push to talk) underwater wireless communication unit. The unit automatically activates upon contact with the water and it uses a 9V alkaline battery with a "low battery" alarm which beeps every 30 seconds when the battery is low.

The GSM G.divers communication unit is the perfect addition to any training class or guided tour and operates on the same frequency as all other OCEAN REEF units and most popular wireless communication units on the market. GSM G.divers uses a D-Mic, a special microphone with the housing sealed by hydrophobic membrane
which is permeable to air, but prevents water from passing through the electronics. The membrane’s reduced thickness limits any reduction of the vocal signal. The permeability of the membrane keeps the internal pressure
equalized with the external pressure, enabling the microphone to be used at practically any depth.

Each GSM G.divers comes with the
NACS (Neptune Adjustable Communication Support) (code 33054). The patented NACS is an adjustable support arm for the GSM G.divers and other OCEAN REEF underwater communication units. It can be installed on the left side of the mask and prevents the communication unit from hanging on the mask strap. By relieving the weight of the communication unit, the NACS also allows the mask strap to slide easily through the buckle; thus, the strap can stay loose while the mask is donned and the communicator stays out of the way. The NACS can be adjusted for tilt and distance between the communication unit and the visor.


  • The GSM G.divers transceiver (high performance communication system) expands the diver's ability to communicate with others verbally
  • The ultrasonic transceiver boasts the autonomy of approximately 30 hours in receiving mode
  • A range of operation of 200-250 meters
  • Lightweight and sleek design
  • Uses a 9V alkaline battery
  • Operates on the same frequency as all other OCEAN REEF units and most popular wireless communication units on the market


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