GZ-251s – Hose coupling, reducing – ø16 / ø12 – steel

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

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

GZ-366 – Hose coupling,, reducing – Ø10 / Ø8 – Brass

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

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