Corning Pyrex 25 ml Dispensing Burets, Colored Scale, With Straight Bore Product Standard Ptfe Stopcock

These 25 mL PYREX burets are suitable for use in school and institutional laboratories not requiring the accuracy of our Class A models. Supplied with a Product Standard Polytetrafluorethylene (PTFE) stopcock plug to reduce freezing and eliminate lubricant contamination. The microfinish of the barrel provides a precision fit. The tips are carefully drawn for accuracy to insure proper drainage rate. Each buret is supplied with a dust cover and has a permanently colored scale All sizes furnished with a 2mm bore stopcock plug. This buret has durable colored markings. For replacement PTFE plug assemblies, see No. 7681-2.