These unbreakable all-in-one pipets eliminate the hazard of broken glass and exposure to infectious materials. Put an end to matching rubber bulbs with glass pipets.Molded from seethrough low density olyethylene. Inert to biological fluids and most acids. The low-affinity surface reduces the loss of cells and valuable proteins due to binding. Can be sealed and refrigerated. They work well whenever there is a eed for quick, safe transfer of fluids. Temperature resistant down to -196 °C. Can be gaz(EtO)sterilized