AUTO ZERO BURETTE COMPLETE 20X, Pack of 1

MBL BURETTE, SOFNOL, AUTOMATIC ZERO, PINCH CLIP, CLASS B, 20 ML 
 
Low cost auto zero burette
A simple to use automatic zero burette, similar in design to the Pyrex Sofnol burettes, which uses a low cost rubber pinch valve instead of a stopcock assembly to control the liquid flow.
 
Complies with ISO 385
Easy filling and automatic zero - Squeeze the polyethylene bottle to fill burette - Release pressure to allow excess liquid to drain back into bottle and set the burette to zero
Easy to read blue enamel graduations
Manufactured from borosilicate glass
With simple rubber tube and pinch valve for low cost replacement