View basket “Oxygen Cylinder Transfiller System” has been added to your basket. O2 Union 4mm T, one-touch€ 6,00 One-Touch (Push-to-Connect), 4mm, T union. Only 3 left in stock O2 Union 4mm T, one-touch quantity Add to basket Categories: Adapters & parts, Oxygen Description Description O2 Union 4x4x4mm T, one-touch Related products Oxygen/Cannulas & masksEDS Face Mask € 13,50 Add to basket Oxygen/Adapters & partsRegulator Fitting one touch 4mm – 90º € 15,00 Add to basket Oxygen/Adapters & partsTransfill Adapter, CGA-540 to DIN 477-9 (Euro) € 79,00 Add to basket