Anti Flow Back Electric Derma Pen Needle Cartridges 

Anti flow back design needle cartridge Basic info: Needle material: medical use PC and stainless steel 304 Needle diameter: 0.25mm, needle tip diameter:0.05-0.15mm Needle type: 9/12/36/42 pins and nano pins Feartuer: anti flow back design Package info: Sealed by PVC and Dupont medical grad paper Individually packed, 5pcs per plate, 10pcs/ box Box sealed by plastic bag Needle cartridges made as ISO13485, approved by EU CE, and EC REP, sterilized by EO gas as ISO11135. Needle is designed by disposable use.