0.5L mini scuba and dual tube mask
We have a patent authorization letter for the double tube mask, including patents in Europe and the United States.
We have specifically designed a mask connector for this dual tube mask, which facilitates connection to a mini scuba 0.5L oxygen cylinder, increasing the diving experience and duration.
The bottle body of the water lung has a DOT, EU, ISO, Waiting for multiple different standards to choose from.
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