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Re: [PSUBS-MAILIST] air intake/snorkels



hi all,

I'm at the stage of building an air intake/snorkel for
my sub.

I planning on running a ball value after it enters the
hull to close it off for diving but to stop water from
 splashing in on occassion I would like some type of
self closing device at the other end.

Any ideas out there?

Thanks
Brent - NZ

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