These general-purpose media bottles feature permanent white, imprinted graduations and marking spots.
              - Borosilicate glass bottles
 - Linerless polypropylene cap 
 - Drip free polypropylene ring
 - Screw thread opening 30mm ID
 - Dimensions: 56mm OD x 100mm Hgt.
 - Graduation range: 20ml to 80ml
 - Autoclavable to 140°C (284°F)
 - Maximum bottle temperature:  450°C (842°F)