Here is the System O2 kit, all packed and ûready to stow.

Interested in something that, during an emergency aboard your boat, might save a life?

It's called System O2™, a simple kit that permits you to carry and to stow easily the means to administer concentrated oxygen. If you don't get too flustered, the oxygen can be produced in as little as a minute, about as quick as setting up a pressurized cylinder (which is the traditional way to carry this life-giving gas).

Of the 2,500 gallons of air you breathe in each day, only about 20% is oxygen; the rest is largely nitrogen and gaseous forms of other things like hops and Italian sausage. You can live for weeks without…