http://www.welsobio.com/cell-c....ulture-consumables/w is helpful for holding and stable placement. The bottle body is made of PC/PETG material, with a clear scale and high transparency, which is convenient for observation during cell culture. Bundle sterilization, no pyrogen, no endotoxin, can tolerate a variety of chemicals, each cell Erlenmeyer flask is individually packaged in a sterile bag, it is the best choice for the laboratory. Features锛?/strong> PC/PETG two materials optional Optional sealing cap or membrane cap Sealing caps and membrane caps The bottle cap is m