Please note end caps are only used for specialist applications.
Please see the purtrex data sheet for descriptions of the end cap configerations.
The first letter denotes end 1 adapor, the 2nd letter end 2 and the third letter the o-ring an d gasket material, (S=silicon, E=EPDM, V=viton, B=buna)
Please note for most applications end caps are not needed.