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

GZ-253s – Hose coupling, reducing – ø19 / ø16 / steel

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

GZ-01-75 – Nipple, reducing – Ø16 / M16x1

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

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