GZ-230 A – Straight coupling, equal – Ø8 / Ø8

GZ-230 D – Straight coupling, equal – Ø8 / Ø10

GZ-372 S – Water coupling Ø19 x Ø10 – steel

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

GZ-249s – Hose coupling, reducing – ø16 / ø8 – steel

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