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
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The AT20 combines a balanced diaphragm in its first stage with a pneumatically balanced 2nd stage valve system to provide an affordable regulator setup for an excellent price. The AT20 combines a balanced...
Oceanic Alpha 8 Second Stage Regulator offers professional performance at an entry-level price. Oceanic Alpha 8 Second Stage...
Zeagle's flagship regulator with heat sink and dry sealed. Ideal for any environment especially cold water. Zeagle's flagship regulator with heat...