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

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

GZ-363 – Hose coupling, equal – Ø19 / Ø11 – Brass

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

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

GZ-230B – Straight coupling, reducing – Ø6 / Ø8