A collection of sterile devices, which includes a dialyser, intended to be integrated within a system for haemodialysis and haemofiltration to treat acute or chronic renal failure by removing toxins and/or replacing electrolytes in blood; it may also be used in the treatment of fluid overload (hypervolemia). In addition to the dialyser the set includes an array of tubing and connectors, and is intended to be connected to the system pump/monitor; it is intended to be used in the home and healthcare settings. This is a single-use device.