Component: This product consists of protective cap of closure-piercing device, closure-piercing device, air filter and closure, flow stopper, drip tube, drip chamber, tubing, flow regulator, injection site, ordinary or precision fluid filter（ 2μm 、3μm 、5μm ）,male conical fitting, protective cap of male conical fitting and scalp vein sets. The inner layer of the tube is thermoplastic polyurethane (TPU), and does not contain DEHP; Outer layer is polyvinyl chloride (PVC) with added light protection agent. Intended use: These products avoid light range: 290 nm~450 nm. Suitable for intravenous infusions of levofloxacin, lipoic acid, cyclophosphamide, oxaliplatin, nimustine, cisplatin, docetaxel, ranitidine, pantoprazole, vitamins C, paclitaxel,only for gravity infusion.