QUICKFIT® Stoppers, hollow-blown glass, 'B' length, hexagonal top, with drip tip

  • Stopper taper complies with ISO 383
  • Manufactured from 3.3 expansion borosilicate glass complying with ISO 3585 (ASTM E-438 Type 1 Class A)
  • Hollow-blown construction to reduce weight
  • Hexagonal head prevents the stopper from rolling and provides good grip
  • Top of the stopper is flat or slightly concaved allowing them to be stood on end to avoid contamination of the ground surface
  • The drip tip encourages any liquid on the stopper to drip back into the flask