The automatic suction head is made of imported polypropylene (PP) material, the surface is treated by special process, with super hydrophobicity, to ensure the accuracy of the experimental data, and the product is automatically produced in 100,000 class purification workshop, without DNA, RNA, protease and heat source · Nozzle capacity range: 20uL to 1000uL · Smooth inner surface, greatly reducing residue, no waste of samples · Good air tightness and strong adaptability · Products can be sterilized by e-bean and verified by SGS