1.medical PVC disposable infusion set; 2.spike integrated with airvent and drip set; 3.luer lock flow regulator; 4.non toxic. This IV infusion set mainly uses medical grade PVC raw material injection molding, blow molding, assembly, packaging, sterilization and otherprocesses in the 100,000 purification workshop processed, mainlycork puncture, air filter, drip bucket, soft tube, flow regulator, ...