Karbonisierungskappe Kegland Stahl Widerhaken mit Kugelverschluss PET PCO1881 Gewinde KL00826
This has a PCO1881 thread, so fits FermZilla, Tee Piece, PET soft drinks bottle. With a white Nylon Barbed Ball Lock Fitting included. They have a 7mm barb, and we’ll throw in a short length of pvc riser hose.