GZ-2331 – Mixer connector M 12×1 / Ø12

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

GZ-250 – Hose coupling, reducing – ø16 / ø10 – Brass

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

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

GZ-356 – Hose coupling, equal – Ø21 / Ø19 – Brass