GZ-230 – Straight coupling, equal – Ø6 / Ø6

GZ-253A – Hose coupling, equal – Ø19 – Brass

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

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

GZ-02-10 – Nipple, equal – G1/8″ / G1/8″

GZ-230B – Straight coupling, reducing – Ø6 / Ø8