Accu-Check Ultraflex II infusion set has a reversible disconnect at the cannula site, with an audible "click" connection that makes connecting and disconnecting a simple, one-handed process, regardless of where the infusion set is placed. We carry all the sizes: 8mm, 10mm / 60cm (24"), 80cm (31") and 110cm (43"). Works with all standard luer lock insulin pumps.