These stoppers are highly recommended for all tissue culture work. Ideal in biology, micro-biology and hematology, as well as food science, technical, medical and hospital apparatus.
              - Chemically & biologically neutral
 - DIN Standard 18271
 - Meets FDA/BGA standards
 - Odorless & tasteless
 - Non-adherent & resistant to aging
 - Temperature range: -94°F to 482°F
 - Sold in full packages only