if you haven’t purchased yet try here http://www.northeastscubasupply.com/store/
This shop is local to me and they are the BEST. most of the used gear has been gone over regs rebuilt, tank certified.
he had a shop full of steel 72s. great buys on one or two year old rental gear. if you call they will check stock while you hold.
John runs the web site himself so sometimes inventory lags what s on/off the web page.