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

GZ-361 – Hose coupling, equal – Ø22 / Ø16 – Brass

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

GZ-385- Hose coupling – Ø19 / Ø16 – Brass

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

GZ-355 – Hose coupling, reducing – Ø19 / Ø12 – Brass