This 90 degree adaptor is designed to fit the female thread found in Davies Craig EWP115 and EWP150 models. A locknut allows the adaptor to be fixed in any position. The other end of the adaptor has an AN -16 male thread with convex seal to allow the use of Aeroquip or Goodridge hose. Alternatively a screw on adaptor to accept 38mm bore hose is also supplied. The rubber adaptors which are supplied with the pump can be used to take hoses up to 51mm bore.