These PYREX burets are suitable for use in school and institutional laboratories not requiring the accuracy of Class A models. The smooth micro-finish of the stopcock barrel assures a precision fit and optimum leak-resistant performance.

• Carefully drawn tips to insure accuracy and proper drainage rate.
• Durable colored markings.
• Each buret is supplied with a dust cover and has a permanently colored scale.
• Supplied with a Product Standard Polytetrafluorethylene (PTFE) stopcock plug to reduce freezing and eliminate lubricant contamination.