Effect of Total Parenteral Nutrition Infusion Sets in Prevention of Phlebitis Caused by Nutrition Infusion. Applicable for parenteral nutrition. Available in bags or bottles. DEHP-free or PVC-free, no effects on the active ingredients of drugs, less toxicity risk. Utilize high flux membrane filtration, which is particularly suitable for the TPN and free of tube obstruction. Adopt Track-etched Membrane or PES Membrane as filter medium, with stable performance and no fibre shedding. Adopt precision filters with pore sizes below 5μm, to prevent particulate contamination. Smart design with wide filtration area, fast venting with no air bubble remaining