John Guest & WB.coffee
3/4" male thread x 3/8" speedfit
JG 3/4" male thread one end and 3/8" push fit the other.
John Guest Inschroefkoppeling 3/8 X 1/2 Nptf
Einschraub-Verbinder
inside: 3/4" male BSP
outside: 3/8" push-in speedfit