Product features: Special spinning: hollow fiber filtration membrane is customized for dialysate filter, with excellent biocompatibility and strong endotoxin retention capacity. Reduce and improve the micro inflammatory reaction of patients. Reduce the level of β 2-microglobulin and dialysis amyloidosis. Increase sensitivity to EPO and protect residual renal function. Specification and model: A-Ⅰ、A-Ⅱ、A-Ⅲ、A-Ⅳ