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

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

GZ-253As – Hose coupling, equal – ø19 – steel

GZ-363 – Hose coupling, equal – Ø19 / Ø11 – Brass

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

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