GZ-360s – Hose coupling, reducing – ø12 / ø10 – steel

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

GZ-250s – Hose coupling, reducing – ø16 / ø10 / steel

GZ-2331 – Mixer connector M 12×1 / Ø12

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

GZ-385- Hose coupling – Ø19 / Ø16 – Brass