... 3.) ISO9001 quality certificate 4.) OEM requires optional Female Brass FittingMade by high quality brass in advanced technology Other ... product in line:Brass Adaptor ,brass coupling ,male and female coupling ,brass quick connect, brass hose coupling, brass connector ... samples.Material: Brass HPb59-1Formation:Forging and CastingScrew thread:Female and MaleThread Standard:NPT,BSP othersSize:1/2"~6 ...