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

GZ-230C – Straight coupling, equal – Ø10 / Ø10

GZ-253s – Hose coupling, reducing – ø19 / ø16 / steel

GZ-357 – Hose coupling, equal – ø14 – Brass

GZ- 386 – Hose coupling – ø19/ ø 19 – Brass

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