This new Research Grade bottle top dispenser features a 30mm thread and comes complete with five additional adapters (28mm, 32mm, 36mm, 40mm, and 45mm).  The adapters allow you to use the dispenser right out of the box. Research Grade Dispenser is made with all wetted parts of PTFE and borosilicate glass for maximum chemical resistance. It is fully autoclavable and works with most laboratory bottles.  The accuracy of this dispenser is exceptional and offers the best value in the industry. 

Other specifications for this dispenser:

  Increment:  0.5ml; 
  +/- % accuracy:  0.5; 
  +/-ml: 0.150; 
  CV+/-%:  0.1; 
  +/- ml:  0.030.