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

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

GZ-353 – Hose coupling, reducing – Ø15 / Ø15 – Brass

GZ-00-73 – Nipple, reducing – M12x1 / M16x1

GZ-253 – Hose coupling, reducing – ø19 / ø16 – Brass

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