Micro-Precision Burettes with PTFE Key Stopcock, Class A

Easy-to-read durable ceramic enamel scale , 2 mm straight bore stopcock plug Supplied with a chemically-resistant, self-lubricating PTFE stopcock plug Manufactured and Calibrated to ASTM Specifications E694 and E542. Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements