Avoid outside contamination with this highly accurate closed system.
- Borosilicate glass burettes have white 0.1ml graduations and are mounted to a high-density polyethylene screw cap
- Squeezing the flexible polyethylene bottle forces liquid into the burette
- Built in overflow automatically drains excess liquid back into reservoir
- Glass stopcock has a 2mm bore
- Large, stable plastic base can be detached from reservoir
- Accuracy of burette is within 1% of total volume; graduation accuracy is Class A