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

GZ-249 – Hose coupling, reducing – ø16 / ø8 – Brass

GZ-230 – Straight coupling, equal – Ø6 / Ø6

GZ-253A – Hose coupling, equal – Ø19 – Brass

GZ-252s – Hose coupling, equal – ø16 – steel

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