Borosilicate 3.3 glass, class B.

• Schellbach stripe for accurate meniscus reading
• High contrast blue enamel graduations
• Complete with 1000 ml plastic bottle, plastic clamp, plastic stand and PTFE pipe
• Automatic zeroing, squeezing bottle allows rapid filling

Mainly used in chemical laboratories to measure small volumes of liquid in titration. The built-in overflow automatically drains excess liquid back to the reservoir bottle.