GZ-251 – Hose coupling, reducing – ø16 / ø 12 – Brass

GZ-352 – Hose coupling, equal – Ø15 / Ø10 – Brass

GZ-374 S – Hose coupling, equal – Ø20 – stee

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

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

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