Tank has a Centerflag hyper flow 420 reg on it, very nice and high flow. One of the top 5 regs for tanks. The bottle is from SCI and has hydro date of March 2005.
Looking for $50
Never had any issues with it. Everything is in working order. Will definitely pass its hydro test.
Cash is king, not interested in trades
You pay I ship unless you happen to have lots of feedback