LQQQQQK !!! Sherwood, " ORIGINAL " BLIZZARD w / BLIZZARD. L.H [  left hand  ] SAFE 2nd. This is @  circa 1978 [ all ports are 3 / 8"]The IP@ 130psi [ steady, the dry air bleed is functioning as designed], NO free flow in either 2nd. stage. This is USED SCUBA...recommend that it be serviced by a qualified scuba technician, before use.