GZ-374 S – Hose coupling, equal – Ø20 – stee

GZ-02-13 – Nipple, equal – M12x1 / M12x1 – Valtek

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

GZ-00-74 – Nipple, reducing – Ø19 / M16x1

GZ- 386 – Hose coupling – ø19/ ø 19 – Brass

GZ-364 – Hose coupling, reducing – Ø21 / Ø21 – Brass