GZ-251 – Hose coupling, reducing – ø16 / ø 12 – Brass

GZ-351 s – Hose coupling, equal ø12 – steel

GZ-350s – Hose coupling, equal – ø10 – steel

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

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

GZ-2330 – Mixer connector M 10×1 / Ø12