GZ-252s – Hose coupling, equal – ø16 – steel

GZ-372 S – Water coupling Ø19 x Ø10 – steel

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

GZ-355 – Hose coupling, reducing – Ø19 / Ø12 – Brass

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

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