You cannot breathe directly out of a scuba tank because of the high pressure. A regulator reduces pressure to safe a level that can be inhaled by the diver. A diving regulator has two parts: the First Stage reduces the tank pressure and connects it to the Second Stage which contains the mouthpiece for breathing

Ocean Reef Space Extender Full Face Mask


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Feature1Cold water certified, balanced, on demand, integrated regulator.
Feature2Polycarbonate visor (siloxane double coated for scratch resistance).
Feature3Directional exhaust valve (4 positions).
Feature4Dive / pre dive switch.
Feature5Lifetime warranty!
Feature6Includes the Extender Kit (frame + accessories).
Feature7SAV (Surface Air Valve) included.
Feature8Patented bellows double “S”, “spring profile”, skirt.
Feature9Larger sealing surface.
Feature10Seal capability derived from gas mask applications (CBRN tests) – the hardest test possible a face seal has to withstand.
Feature11Larger field of vision than competitors (italcert Certification PPE-05 Rif 1332/05).
Feature12Visible light transfer of the visor is 92%, meaning a clearer view.
Feature13Both sides are coated in siloxane resin for improved scratch and chemical resistance.
Feature14Six straps meaning no risk of losing reg if unconscious or violently hit.

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