supply of double stage oxygen regulatordouble stage oxygen regulator,double stage oxygen regulator brass body, inlet pressure: 230-300 bar, outlet pressure: 0-10 b ar, no. of gauges: two (iso: 5171 certified), inlet connection: 5/8 inch bps right hand, outlet connection: 3/8 in ch bps right hand, regulator should be is: 6901-2009/iso: 2503-1998 certified. makes:- esab dura series mo del-dura 0-10 or harris model-996d-10 ox or gce model-n 0772028 or messer, model-tornado rd/b- o 770.52490 or ador model king s10645100058. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]