The Five Masks

Full-face diving mask Full-face diving mask Diving mask that covers the mouth as well as the eyes and nose For full-face snorkel masks enabling users to breathe atmospheric air while swimming or floating face down on the surface, see Snorkel (swimming) § Full face snorkel masks. For full-face masks on breathing apparatus used out of water, see Elastomeric respirator and Self-contained breathing apparatus. A full-face diving mask is a type of diving mask that seals the whole of the diver's face from the water and contains a mouthpiece, demand valve or constant flow gas supply that provides the diver with breathing gas.[1] The full face mask has several functions: it lets the diver see clearly underwater, it provides the diver's…

GENRES: