finaly, got a used one on ebay, lab pump, with gauges and regulators ( needle valves but still, works ok ).
pulls 25 inch empty, could bring it to 22 inch on my first project ( hab one little leack could not find it ).
silent enought to hear leacks, oil consuming but put a hose to the outside, not problemmes.
could not find oil, got advise to buy valvoline oil from a gast tech support, works great ( user manual say's it gest to 20 inch, it get's to 25 actually ! youhou.
price 85 dollars, 35 shiping, 6 oil.