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

GZ-360s – Hose coupling, reducing – ø12 / ø10 – steel

GZ-250s – Hose coupling, reducing – ø16 / ø10 / steel

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

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

GZ-352 – Hose coupling, equal – Ø15 / Ø10 – Brass