These 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 see through low-density polyethylene. 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 need for quick, safe transfer of fluids. Temperature-resistant down to -196 deg C. Can be gas (EtO) sterilized.