gas valve for Africa and Central&South America with ISO9001-2000 Certificate 1)inlet size:22mm 2)outlet size:10mm 3)zinc allo gas valve for Africa and Central and South America with ISO 9001-2000 Certificate1)inlet size:22mm,2)outlet size:10mm3)other sizes:20mmx10mm,20mmx12mm, 21mmx12mm4)good quality and reasonable price5)color: do as you need6)packing:50pcs/ctn, G/N.W:15.5/14.5kgs, Meas:41. ...