These stoppers are highly recommended for all tissue culture work—ideal in biology, microbiology, hematology, food science, technical, medical, and hospital apparatus.
              - Chemically & biologically neutral
 - DIN Standard 18271
 - Meets FDA/BGA standards
 - Odorless & tasteless
 - Non-adherent & resistant to aging
 - Dimensions: 0.827" Top Dia. x 1.064"; Bottom Dia. x 1.182" Hgt.
 - Temperature range: -94°F to 482°F 
 - Sold in full packages only