View basket “O2 O-RING suitable for DIN-477 couplings” has been added to your basket. O2 Union 4mm I, one-touch€ 6,00 One-Touch (Push-to-Connect), 4mm, I union. Only 2 left in stock (can be backordered) O2 Union 4mm I, one-touch quantity Add to basket Categories: Adapters & parts, Oxygen Description Description O2 Union 4x4mm I, one-touch MH p/n: 19056-0400-00 Related products Oxygen/Cannulas & masksEDS Face Mask € 13,50 Add to basket Oxygen/Adapters & partsTransfill Adapter, CGA-540 to DIN 477-9 (Euro) € 79,00 Add to basket SaleOxygen/Mountain High EDSMH EDS O2D1 with Pressure Regulator (DIN-477) € 1.280,00 € 1.050,00 Add to basket