“O2 Union 4mm I, one-touch” has been added to your basket. View basket O2 Union 6mm Y, one-touch€ 6,50 One-Touch (Push-to-Connect), 6mm, Y union. In stock (can be backordered) O2 Union 6mm Y, one-touch quantity Add to basket Categories: Adapters & parts, Oxygen Description Description O2 Union 6x6x6mm Y, one-touch. For use with wider 6mm O2 air tube. Related products Oxygen/Adapters & partsO2 Union 4mm I, one-touch € 6,00 Add to basket Oxygen/Adapters & partsO2 mounting bracket for MH AL-248/415/682 cylinders € 59,50 Add to basket SaleOxygen/Mountain High EDSMH EDS O2D1 kit € 1.025,00 Original price was: € 1.025,00.€ 850,00Current price is: € 850,00. Select options