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

GZ-230 D – Straight coupling, equal – Ø8 / Ø10

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

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

GZ-372 S – Water coupling Ø19 x Ø10 – steel

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