
Single Use Sterile Luer Lock Connector Butterfly Needle Wing Scalp Vein Set Size 21g. OEM & ODM Customization: Supports customized logo, packaging, and product component colors. 3-Year Quality Guarantee: Provides a comprehensive 3-year warranty period for product quality assurance. Ethylene Oxide Sterilization: Ensures sterility through certified Ethylene Oxide sterilization process. ISO & CE Certified: Manufactured under ISO13485, ISO9001, and CE quality management standards. Multi-Size Availability: Available in sizes ranging from 19G to 27G with various color options. Accurate Vacuum Draw: Features accurate vacuum draw volume with excellent performance additives. Hemolysis Prevention: Specially treated tube wall prevents wall hanging and hemolysis. Clean Workshop Production: Produced in a 100,000-class purification workshop for sample stability.