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

GZ-356 – Hose coupling, equal – Ø21 / Ø19 – Brass

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

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

GZ-251s – Hose coupling, reducing – ø16 / ø12 – steel

GZ-351 s – Hose coupling, equal ø12 – steel