The pipette nozzle is a disposable adapter nozzle used for pipettes, which can accurately, accurately, and consistently transfer small amounts of liquid in various research applications. To prevent cross contamination, new pipette tips are usually used at each step of the liquid treatment process. The pipette suction head is made of polypropylene, which can be sterilized at high temperature and has stable chemical properties. The Rainin pipette suction head has undergone continuous quality control testing and can meet strict cleanliness and physical specifications.