yes I have 10 of them on my sub, 2 are used for the drop weight and 8 are used for the ballast tanks. the ones I have are aluminum and they are normally referred to as Scott Air packs.
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On Apr 10, 2012, at 7:43 PM, "ojaivalleybeefarm @dslextreme.com" <ojaivalleybeefarm@dslextreme.com> wrote:
> Hi, A friend of mine gave me 4 steel cylinders that are used by firemen and rescue people. Can't remember the term for these bottles, anyway they apparently are rated for around 2000 psi. Has anyone had occasion to use these type of bottles?
>
> Brian
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