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

GZ-364 – Hose coupling, reducing – Ø21 / Ø21 – Brass

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

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

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

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