GZ-253As – Hose coupling, equal – ø19 – steel

GZ-330 B – Straight coupling, equal for CNG Ø 6 / Ø 8

GZ-230 – Straight coupling, equal – Ø6 / Ø6

GZ-361 – Hose coupling, equal – Ø22 / Ø16 – Brass

GZ-357 – Hose coupling, equal – ø14 – Brass

GZC-1720 – Hose Tail – ø8 / M10x1