Individually wrapped pipets are packaged in paper-backed plastic wrappers. Negative graduations provide 2.5 ml of extra capacity. Blue stripe for quick volume identification. Polystyrene.
High quality virgin polystyrene with polyester filter. Manufactured in an ISO 9001 certified facility in the USA. Sterile, noncytotoxic, and certified free of detectable RNase, DNase, and pyrogens.