1. Medical-grade raw materials: The pipette suction head is made of Grade 6 polypropylene material of American Pharmacopoeia. 2. Universal adaptation: The universal suction head is suitable for most single-channel or multi-function pipettes, such as Eppendorf, Gilson, Thermofisher, etc. 3. High precision: The pipette suction head has good airtight sealing performance and accurate liquid distribution. 4. PCR cleaning: The pipette suction heads are produced in 100,000-level clean rooms to ensure that the products are free of DNA enzymes and RNA enzymes. 5. Electron beam sterilization: Compared with EO/gamma-ray sterilization, it is more environmentally friendly and safe, SAL<10-6.