(This is the suggested replacement for 2111-50)
These 50 mL PYREX® burets have an automatic zeroing device and dual Rotaflo® stopcocks for easy controlled filling. Greaseless Rotaflo® stopcocks allow smoother control and help eliminate titrating errors.
Product Family Description:
Buret with automatic zero, Rotaflo dual stopcock. The dual stopcock helps eliminate titration errors.