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OCEAN REEF NEPTUNE II (CE)
The innovative Full Face Mask NEPTUNE II is the result of intense research and patient experience acquired in the development and production of military protection equip ment. The Ocean REEF Group has spent tens of thousands of hours testing the Neptune II in laboratories and real world situations.
Ocean Reef Neptune System
The surface based versions of the FFM have received international approval in the civil sector and have been adopted by specialized departments of numerous Military and Defense organizations for use in anti - Nuclear - Biological - Chemical (NBC) operations. From the Gulf War to Antarctic expeditions, from military to spacecraft applications, from civil to sports activities.... The Full Face Mask project, which started in 1985 and involved more than 50 different types of masks has now reached a unique experience in extreme conditions and applications. This allows Ocean REEF to be recognized as "THE FULL FACE MASK COMPANY, wherever you dive". The Ocean Reef NEPTUNE II was designed for underwater use. It wilt accommodate two regulators as well as a communications system. These can be either diver to diver or diver to surface systems. The Ocean Reef NEPTUNE II can be used with most standard regulators but regulators with flow adjustment are best. OVER-INJECTED regulators are not recommended. The universal connector, available in two sizes, with a DIN thread allows you to connect the mask with most regulators on the market. The NEPTUNE II was designed for use by recreational divers as well as commercial and technical divers. Tech polymer protection treatments allow Ocean Reef NEPTUNE II to be used in extreme conditions. This also allows us to provide a lifetime warranty. In the new versions the weight has been reduced to less than 600 grams (22.00 Oz) to increase the comfort of the system.

Ocean Reef Neptune II has many international patents and characteristics that make it unique.
technical characteristics
   
Ocean Reef Neptune SystemADAPTABILITY The patented bellows type skirt with "spring profile" and large sealing surface (from 30 to 45 mm, which is double of a conven- tional mask) is molded by premium grade si'licone rubber. The spring effect is achieved by a combination of the double "S" section and the inner support ribs, which allows the arrival of the right compromise between the fitting comfort and the harness to support the main structure of the full face mask.This allows the mask to "float" comfortably on the face and allows the mask to fit a large percentage of faces (more than 80% of those tested). The face seal and strap concept are Ocean REEF patents.

VISUAL FIELD The visor, made of transparent polycarbonate, was studied in order to have the optical part wider, and closer to the face. This maximizes the visual field, particularly the peripheral area. The visual field of the mask is represented on the enclosed picture. The dark area represents the monocular visual field obtained with one eye only, meanwhile the BROWN area shows the binocular visual field (obtained by using both eyes). The visible light transfer of the visor is 92%.

MECHANICAL AND SCRATCHING RESISTANCE The visor of the Ocean Reef NEPTUNE II can resist the impact of a 6.35-mm steel sphere traveling at the speed of 540 km per hour (335 miles/hour). It is double side coated by a siloxane resin to increase the scratching resistance. To improve the protection during carrying, the Neptune II is supplied with a removable protective shield (to be removed before diving).

THE HEAD HARNESS FRB II The head harness straps are directly attached to the sturdy face shield in a design that allows the pressure to be transmitted uniformly along the mask's skirt. This is a benefit unique to the Ocean Reef NEPTUNE II.
Ocean Reef Neptune System
The low elasticity of the 6 straps of head harness (the spider) holds the mask in a firm position. However at the same time the spider is able to compensate for the dif-ferent neoprene hood thickness by a more calibrate pressure. Due to the new buckle FRB II (Fast Rotating Buckle), the mask can be worn and taken off quickly, by releasing the lower strap buckles. The removal of the Ocean Reef Neptune II is quite easy and is performed by pulling on the 2 quick release balls at the front lower side of the harness. The tip of each strap has a larger profile allowing an easier find while wearing neo- prene gloves. The material used for the clamping band resists at -30°C and permits the use of the Ocean Reef NEPTUNE II in extreme conditions.

Ocean Reef Neptune System
EXTERNAL ENVIRONMENT PROTECTION It is also possible to directly attach the mask to a special hood of a watertight wet suit, creating a completely watertight seal, while still allowing easy mask release. Creating a fully watertight seal helps protect the diver just in case of polluted diving environments.

AIR CIRCULATION AND LIMITATION OF C02 Air circulation in the Ocean Reef NEPTUNE II was designed to minimize fogging of the lens and reduce the amount of CO and C02 built up in the inhaled air. The liqui silicone oral-nasal pocket is furnished with two one way valves where the air goes through. Exhaled air is directed through the valve
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