Spare Air back up air source, 3.0 Cf, about 50 breathes at the surface. Great safety device without the hassle of a pony bottle. Never used in emergency. About 50 dives. Complete overhaul and hydro done in 2009. Paid $250, selling for $100.
Feel free to email: carl [at] castileventures [dot] com
Feel free to email: carl [at] castileventures [dot] com
