We designed our Luer Adapters to make it easy for you to create your own quick connect Union or Adapter. This Tefzel (ETFE), Quick Connect Luer Adapter has a Female Luer to Female ¼-28 threads. It conforms to ISO requirements for medical luer taper configurations and performance (45psi/3.1 bar). It also comes in Polypropylene and with a 0.06 thru hole.