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

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

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

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

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

GZ-359 s – Hose coupling, reducing – ø14 / ø 12 – steel